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Federal Drug Charges Defense Attorney

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Our Law Firm Has Been Featured on All of the Above Media Outlets
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Our Law Firm Has Been Featured on All of the Above Media Outlets

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Facing Federal Drug Charges in California?

Federal Drug Prosecutions Carry Mandatory Minimum Sentences, Quantity-Driven Guidelines, and Permanent Aggravated Felony Immigration Consequences — But Every Element Must Still Be Proven Beyond a Reasonable Doubt.

California criminal defense attorney David Chesley has successfully defended federal drug charges — including federal drug trafficking (21 U.S.C. § 841), federal drug conspiracy (21 U.S.C. § 846), continuing criminal enterprise (21 U.S.C. § 848), and related federal offenses — through suppression motions, quantity challenges, wiretap challenges, conspiracy element attacks, entrapment, safety valve eligibility, and charge reductions in federal courts across every district in California. Federal drug charges are categorically different from state charges — in the resources deployed, the investigation depth, the mandatory minimum structure, and the permanent consequences that follow conviction. But the prosecution must still prove specific elements — and those elements, along with the surveillance and informant evidence used to establish them, are frequently challenged successfully. Build your defense now.


IMMEDIATE STEPS IF FACING FEDERAL DRUG CHARGES:

  • Do not make any statements to DEA, FBI, HSI agents, federal prosecutors, or any federal law enforcement without experienced counselpost-arrest statements about your role, knowledge, quantity, or co-conspirators are the prosecution's strongest evidence and lock in admissions that cannot be undone
  • Do not contact co-defendants, alleged buyers, or witnesses — contact after federal arrest triggers obstruction and tampering charges and dramatically worsens your position with prosecutors who might otherwise discuss cooperation or reduced charges
  • Do not make cooperation decisions without experienced counsel — cooperation in a federal drug case is one of the most consequential decisions available; cooperating without experienced counsel to structure the agreement and assess its value can produce worse outcomes than not cooperating at all
  • Contact experienced federal defense counsel immediately — the most important defense work happens in the days after arrest, before the indictment and before cooperation windows close on the government's schedule

Call now for a free, confidential consultation — available 24/7. 📞 (800) 755-5174


THE STAKES ARE REAL — FEDERAL DRUG CHARGES ARE DIFFERENT

Federal drug charges are prosecuted by specialist prosecutors with full access to DEA, FBI, and HSI resources. Investigations often span years and involve wiretaps, GPS tracking, financial analysis, and multi-defendant indictments. Sentences are measured in decades, with mandatory minimums that eliminate judicial discretion in most cases.

Common Penalties:

  • Federal drug trafficking (21 U.S.C. § 841): 5-year or 10-year mandatory minimums triggered by specific quantities; prior felony drug convictions double these — 5 years becomes 10, 10 years becomes 20; in some circumstances mandatory life
  • Federal drug conspiracy (21 U.S.C. § 846): Same penalties as the underlying offense — the most broadly charged federal drug offense, reached against all participants regardless of individual role
  • Continuing criminal enterprise (21 U.S.C. § 848): 20-year mandatory minimum — mandatory life for certain leaders

Additional Consequences:

Note on current enforcement (2026): Federal focus remains strong on fentanyl, methamphetamine, and large-scale trafficking. Proposition 36 has affected some state-level repeat hard-drug cases, but federal mandatory minimums continue to drive severe outcomes regardless of state-level developments.

Federal Mandatory Minimum Quantity Thresholds:

Substance5-Year Minimum10-Year Minimum
Cocaine mixture500 grams5 kilograms
Cocaine base (crack)28 grams280 grams
Heroin100 grams1 kilogram
Methamphetamine (pure)5 grams50 grams
Fentanyl40 grams400 grams

Call (800) 755-5174 for a free 24/7 consultation.


WHAT THE PROSECUTION MUST PROVE — AND WHERE THE DEFENSES LIE

Federal Drug Trafficking (21 U.S.C. § 841): Knowing or intentional manufacture, distribution, or possession with intent to distribute a controlled substance. Key contestable elements: knowledge, intent, and quantity — which triggers mandatory minimums.

Federal Conspiracy (21 U.S.C. § 846): Agreement to traffic drugs plus the defendant's knowing and voluntary participation in that agreement. Mere association is not enough — specific knowing participation and specific intent to further the trafficking objective must be proven as to each individual defendant.

Key Defenses at a Glance:

  • Suppression of evidence: Wiretaps (Title III violations), warrants (Franks challenges), GPS/cell data (Carpenter/Jones), unlawful searches
  • Quantity challenge: Reduce below mandatory minimum thresholds through expert review of lab analysis, cooperating witnesses, and estimates
  • Conspiracy element challenge: Lack of knowing participation or specific intent — association distinguished from agreement
  • Entrapment: Government inducement of conduct the defendant was not predisposed to commit
  • Informant reliability: Expose motives, inconsistencies, and benefits given to cooperators
  • Safety valve / substantial assistance: Avoid or reduce mandatory minimums for qualifying defendants
  • Mitigating role reduction (USSG § 3B1.2): For minor or minimal participants — can reduce the guidelines range by years
  • Charge reduction: Move from trafficking or conspiracy to a lesser offense — eliminates aggravated felony immigration consequences

INDIVIDUAL DEFENSE EXPLANATIONS — HOW EACH DEFENSE WORKS

Defense One: Suppression — Wiretaps, Warrants, GPS, and Cell Data

Federal drug investigations are built on surveillance — and each category of surveillance has specific constitutional and statutory requirements that, when violated, produce suppression of everything gathered through the illegal surveillance and all evidence flowing from it.

Wiretap suppression under Title III (18 U.S.C. § 2518): Federal wiretaps must satisfy the necessity requirement — demonstrating that conventional investigative techniques have been tried and failed, or are unlikely to succeed, before wiretap authority is sought. This is not a formality. A wiretap obtained without a genuine necessity showing — where the government simply preferred the wiretap method without actually trying conventional techniques — is suppressed under 18 U.S.C. § 2515, and all evidence derived from the unlawful interception is excluded. The minimization requirement — requiring agents to stop recording when conversations are clearly not relevant to the investigation — must also be satisfied. In major federal drug cases where the government's entire evidentiary case was built on wiretap recordings, suppression of the wiretap produces collapse of the case. The necessity showing and minimization records for every wiretap authorization are examined from the first day of representation.

GPS tracking and cell site location data: Following United States v. Jones and Carpenter v. United States, warrantless GPS tracking and warrantless collection of cell site location information — which reveals the defendant's movements over extended periods — are subject to suppression. In federal drug cases where location evidence was the basis for establishing the defendant's presence at alleged distribution locations, suppression eliminates the prosecution's ability to make that connection.

Franks challenges: Federal search warrant affidavits relying on confidential informant information are examined for deliberate falsehoods or reckless misstatements under Franks v. Delaware. When the Franks challenge succeeds, the warrant is invalidated and all evidence seized under it is suppressed — frequently case-dispositive in federal drug cases.

Defense Two: Quantity Challenge — Below Mandatory Minimum Thresholds

The quantity that triggers mandatory minimums is established through laboratory analysis, cooperating witness testimony, and law enforcement estimates — and each method has specific vulnerabilities that are exploited in every federal drug case where mandatory minimums are alleged.

Laboratory analysis is challenged for methodology errors, contamination, and chain of custody violations. Cooperating witness quantity testimony is challenged through cross-examination exposing the witness's motive to exaggerate — because larger quantity testimony produces larger benefits in their own plea agreements, and the financial and sentencing incentive to overstate observed quantities is specific, documented, and presented to the jury or the court. Law enforcement quantity estimation methodology is challenged through independent expert analysis of the specific extrapolation methods used to translate seized samples into total quantity calculations.

Moving the quantity calculation below a mandatory minimum threshold eliminates the mandatory minimum entirely — changing the sentence from decades to years. Moving it to a lower tier reduces it substantially. In every federal drug case where mandatory minimums are alleged, the quantity calculation is challenged through every available method from the first day of representation — because even a partial success can eliminate years of mandatory sentencing exposure.

Defense Three: Conspiracy Element Challenge — Association vs. Participation

Federal drug conspiracy under 21 U.S.C. § 846 is the most broadly charged and most frequently overcharged federal drug offense. The prosecution charges conspiracy against everyone connected to a trafficking organization — regardless of the degree of that connection. But conspiracy requires proof of a specific knowing agreement to traffic drugs and the defendant's specific voluntary participation in and intent to further that agreement.

Knowing someone who was trafficking, being present where trafficking occurred, communicating with members of a trafficking organization, and providing services to members without specific knowledge of the trafficking conspiracy are not the same as participating in the conspiracy. The distinction between association and knowing participation is the most important legal question in every multi-defendant federal drug case — and it is challenged through the specific evidence of what this defendant actually knew, what this defendant actually agreed to, and what this defendant's actual intent was, as distinguished from what the prosecution infers from relationships, communications, and associations.

Defense Four: Entrapment

Where law enforcement — through undercover officers or confidential informants — induced the defendant to participate in drug trafficking that the defendant was not independently predisposed to commit, the entrapment defense applies. In federal drug investigations, entrapment issues arise where agents or informants provided the drug supply, created the distribution network, or manufactured the trafficking opportunity while the defendant's genuine predisposition to traffic at the charged level is contestable. Entrapment is a complete defense producing acquittal — and it is assessed in every case involving undercover operations or informant-created trafficking arrangements.

Defense Five: Informant Reliability Challenge

Federal drug investigations depend on confidential informants who provided probable cause for the investigation and who testify as cooperating witnesses. These informants have specific, documented motivations: reduction of their own charges, financial compensation, and personal animosity. The informant's background, prior cooperation history, specific benefits received, prior unreliability, and personal relationship with the defendant are all developed as impeachment evidence. In cases where the cooperating witness is the prosecution's primary evidence, destroying the witness's credibility is the most important trial strategy available.

Defense Six: Safety Valve — Eliminating the Mandatory Minimum

The federal safety valve — 18 U.S.C. § 3553(f) — allows courts to sentence below the mandatory minimum for defendants who meet all five criteria: no more than one criminal history point; no use of violence or credible threat of violence; the offense did not result in death or serious bodily injury; the defendant was not an organizer, leader, manager, or supervisor; and the defendant has truthfully provided to the government all information about the offense. Where the defendant qualifies, the mandatory minimum is eliminated entirely — and the court sentences within the guidelines range, which may be substantially shorter than the mandatory minimum. Safety valve eligibility requires a proffer — a meeting with the government at which the defendant provides complete and truthful information. Where the defendant meets the criteria, pursuing safety valve eligibility is one of the most important sentencing strategies available — and it is assessed from the first consultation in every federal drug case where mandatory minimums are alleged.

Defense Seven: Cooperation and Substantial Assistance

In multi-defendant federal drug cases, cooperation with the government in exchange for a USSG § 5K1.1 substantial assistance motion — allowing the court to sentence below the mandatory minimum based on the value of the assistance provided — is one of the most consequential decisions a defendant can make. In appropriate cases, cooperation produces dramatically reduced sentences. In other cases, cooperation is not appropriate — because the defendant has limited information, the value is insufficient, or personal risks outweigh the benefit. The cooperation decision is assessed honestly from the first consultation — never made without full information about every available alternative, including the strength of the evidence and the realistic outcomes of full defense.

Defense Eight: Mitigating Role Reduction — USSG § 3B1.2

Federal sentencing guidelines provide for downward adjustments for defendants who played a minor or minimal role in the offense. A defendant who was a courier, lookout, or low-level participant with limited authority and limited knowledge of the scope of the organization is entitled to a role reduction that can reduce the guidelines range by years. The specific facts of the defendant's role — what they did, what they knew, what decision-making authority they had — are developed and presented to establish the smallest role characterization consistent with the evidence. Even a minimal role adjustment in a federal drug case with a large base offense level can mean the difference between a sentence of 5 years and one of 10 or more.


FEDERAL DRUG CHARGES AND IMMIGRATION — CRITICAL FOR NON-U.S. CITIZENS

Federal drug charges carry the most devastating immigration consequences available in any criminal case — and the immigration analysis must be conducted from the very first consultation before any plea is entered.

Aggravated Felony — Mandatory and Permanent

Federal drug trafficking and conspiracy convictions are aggravated felonies under 8 U.S.C. § 1101(a)(43)(B) — triggering mandatory deportation, permanent bars to re-entry, permanent bars to naturalization, and elimination of virtually all forms of discretionary immigration relief. No immigration judge has authority to grant relief based on hardship, family ties, or length of residence once the aggravated felony is established — even for lawful permanent residents who have lived in the United States for decades, even for defendants with U.S. citizen spouses and children.

The Federal Conspiracy Plea — The Critical Immigration Warning

A plea to federal drug conspiracy under 21 U.S.C. § 846 — even where the defendant's actual role was minor and peripheral — constitutes a drug trafficking aggravated felony for immigration purposes. The immigration consequences of a conspiracy plea are identical to those of a conviction for the underlying trafficking offense. A non-U.S. citizen who accepts a conspiracy plea believing it is less immigration-consequential than the underlying trafficking charge is accepting the same mandatory deportation consequence. This is one of the most consequential and most frequently misunderstood facts in multi-defendant federal drug cases — and it must be fully understood before any plea is entered.

What Non-U.S. Citizens Must Do Before Any Plea:

  • The immigration consequences of every specific federal charge — trafficking, conspiracy, continuing criminal enterprise — must be analyzed before any plea is entered; the mandatory and permanent deportation consequence of each charge must be explicitly understood, including the fact that a conspiracy plea carries the same consequences as a trafficking conviction
  • Charge reduction away from trafficking — to a non-trafficking drug offense or a non-drug offense that does not constitute an aggravated felony under 8 U.S.C. § 1101(a)(43)(B) — must be pursued as an explicit immigration priority in every plea negotiation, because it is frequently the difference between deportation and remaining in the United States
  • Every suppression opportunity and every acquittal pathway must be assessed with the immigration consequence as an explicit priority — because the only outcomes that fully protect immigration status are dismissal, acquittal, or reduction to a non-aggravated-felony offense
  • No plea to any federal drug trafficking, conspiracy, or related charge should be entered without a full understanding of the permanent aggravated felony immigration consequences and a clear assessment of whether charge reduction is achievable on the specific facts

Immigration analysis is conducted from the very first consultation in every federal drug case.


HOW DAVID CHESLEY DEFENDS FEDERAL DRUG CASES

David Chesley personally handles every case — rapidly preserving evidence for suppression, challenging wiretaps and quantities, assessing cooperation and safety valve options, and prioritizing immigration-protective reductions. All four California federal districts — Central (Los Angeles), Southern (San Diego), Northern (San Francisco), and Eastern (Sacramento/Fresno) — available 24 hours a day, 7 days a week. No hand-offs. No junior associates.

All defenses pursued simultaneously from day one:

Suppression analysis — every wiretap examined for Title III necessity and minimization compliance; every warrant examined for Franks vulnerabilities; GPS and cell site data examined for Carpenter/Jones compliance; preservation demands issued immediately.

Quantity challenge — government's quantity calculation examined from the first consultation; laboratory methodology, cooperating witness testimony, and estimation methodology assessed for vulnerabilities that could move the calculation below a mandatory minimum threshold.

Conspiracy element challenge — specific evidence connecting this defendant to the conspiracy analyzed; association, presence, and communication distinguished from knowing agreement and specific intent.

Cooperation decision — honest assessment — strength of evidence, value of information, specific benefit offered, and personal risks assessed honestly from the first consultation; never recommended without full information about every available alternative.

Safety valve eligibility — assessed from the first day in every case where mandatory minimums are alleged; can eliminate the mandatory minimum entirely for qualifying defendants.

Immigration analysis — aggravated felony consequences of every available charge and plea analyzed before any plea is entered; charge reduction pursued as immigration protection priority.

Free, confidential case review — available 24/7, no obligation. 📞 (800) 755-5174 | 📧 calllog@chesleylawyers.com


YOU HAVE RIGHTS. USE THEM.

The prosecution must prove every element beyond a reasonable doubt — and every mandatory minimum threshold must be proven by the quantity actually established. Common resolutions:

  • Wiretap suppressed — Title III necessity or minimization not satisfied; all wiretap-derived evidence excluded; federal drug case collapsed
  • Mandatory minimum avoided — quantity calculation overstated through unreliable cooperating witness; independent expert demonstrated quantity below mandatory minimum threshold; mandatory minimum eliminated
  • Conspiracy charge defeated — specific knowing participation not established; association distinguished from agreement; acquitted on conspiracy count
  • Safety valve applied — defendant met all 18 U.S.C. § 3553(f) criteria; USSG § 5K1.1 motion filed; sentence imposed substantially below mandatory minimum
  • Franks challenge succeeded — warrant affidavit contained material misrepresentations; warrant invalidated; all evidence suppressed; charges dismissed
  • Entrapment established — government-created trafficking opportunity; defendant not independently predisposed; acquitted
  • Mitigating role reduction obtained — defendant's minimal role established; USSG § 3B1.2 adjustment applied; guidelines range reduced significantly
  • Immigration-safe charge reduction — non-U.S. citizen facing mandatory deportation; charge reduced to non-trafficking offense; aggravated felony designation avoided

WHY CLIENTS CHOOSE DAVID CHESLEY

Direct, personal attention — all four federal districts, 24/7

David Chesley personally handles federal drug defense in all four California federal districts — Central District (Los Angeles), Southern District (San Diego), Northern District (San Francisco/San Jose/Oakland), and Eastern District (Sacramento/Fresno) — and in California state courts statewide. Available 24 hours a day, 7 days a week — because the most important defense decisions in federal drug cases are made in the days immediately after arrest, before the indictment and before cooperation windows close.

Straight talk, always

Federal drug cases range from situations where the wiretap was unconstitutional and suppression produces dismissal — to situations where the evidence is strong, the mandatory minimum is triggered, and the most important work is quantity challenge, safety valve, cooperation assessment, and immigration protection. You deserve honest counsel about which situation you are actually in and what the realistic outcomes look like. No false promises. No sugarcoating.

Multi-front defense — every strategy pursued simultaneously

Suppression, quantity challenge, conspiracy element challenge, entrapment, informant attack, safety valve, and charge reduction are all identified and assessed simultaneously. The cooperation decision is made honestly, with full information. Every available defense is pursued from the first consultation.

Flexible payment plans

The Law Offices of David Chesley offer flexible payment plans because cost should never be the reason someone facing federal drug charges goes without experienced legal representation during the phase when it matters most.

Representative Results:

  • Federal drug trafficking charges dismissed — wiretap evidence suppressed; Title III necessity requirement not genuinely satisfied; all interceptions excluded; trafficking case eliminated without wiretap evidence
  • Mandatory minimum avoided — government's quantity calculation relied on cooperating witness testimony the defendant's independent expert demonstrated was significantly overstated; quantity found below 10-year mandatory minimum threshold; sentence imposed at fraction of the mandatory minimum that would otherwise have applied
  • Federal conspiracy charge defeated at trial — prosecution relied on association and communication evidence; specific knowing participation in drug trafficking agreement not established beyond reasonable doubt; acquitted on conspiracy count
  • Safety valve applied — defendant met all 18 U.S.C. § 3553(f) criteria; USSG § 5K1.1 substantial assistance motion filed; sentence imposed substantially below 10-year mandatory minimum; decade of mandatory incarceration avoided
  • Franks challenge succeeded — federal search warrant affidavit contained material misrepresentations about informant reliability; Franks hearing granted; warrant invalidated; all evidence suppressed; charges dismissed
  • Entrapment established — government informant provided drug supply and distribution network; defendant not independently predisposed to traffic at charged level; entrapment presented to jury; acquitted
  • Mitigating role reduction obtained — defendant's minimal role established through specific evidence of limited authority and knowledge; USSG § 3B1.2 adjustment applied; guidelines range reduced significantly; years eliminated from sentencing exposure
  • Immigration-safe charge reduction — non-U.S. citizen defendant facing mandatory deportation from federal drug trafficking aggravated felony; charge reduced to non-trafficking offense through negotiation; 8 U.S.C. § 1101(a)(43)(B) designation avoided; defendant able to remain in the United States

Client Feedback:

"Facing 10 or more years on federal trafficking charges. David challenged the wiretap — showed the government hadn't genuinely satisfied the necessity requirement before seeking wiretap authorization — and got all the wiretap evidence suppressed. The entire case was dismissed." — Anonymous former client

"The government's quantity would have meant decades in federal prison. David brought in an independent expert who demonstrated the calculation was based on cooperating witness testimony that was significantly exaggerated. The quantity fell below the mandatory minimum threshold. The difference was enormous." — Anonymous former client

"I was charged with federal drug conspiracy based on knowing people involved in trafficking. David showed the jury that knowing them and communicating with them was not the same as agreeing to traffic drugs. Acquitted on the conspiracy count." — Anonymous former client

"Non-citizen facing federal trafficking charges and mandatory deportation. David explained from day one that even a conspiracy plea carried the same immigration consequences as the trafficking charge itself — mandatory deportation. He made charge reduction the absolute priority and achieved it. I have been here for 25 years and I am still here." — Anonymous former client


FREQUENTLY ASKED QUESTIONS

What makes federal drug charges different from California state drug charges?

Federal drug charges involve mandatory minimum sentences triggered by specific quantities — with no judicial discretion to go below the mandatory minimum unless the safety valve or a substantial assistance motion applies. Federal investigations are built by specialist prosecutors using DEA, FBI, and HSI resources over months or years. Federal sentences are served in Bureau of Prisons facilities at 87 percent before release eligibility. And the aggravated felony immigration consequences of federal drug trafficking convictions are among the most permanent consequences available in any criminal case. The same conduct can produce both federal and state charges under the dual sovereignty doctrine — and a defendant whose state charges are dismissed may still face federal prosecution.

What triggers federal mandatory minimums?

Specific drug quantities under 21 U.S.C. § 841(b): 500 grams or more of cocaine mixture triggers a 5-year mandatory minimum; 5 kilograms triggers 10 years. 28 grams of crack triggers 5 years; 280 grams triggers 10 years. 100 grams of heroin triggers 5 years; 1 kilogram triggers 10 years. 5 grams of pure methamphetamine triggers 5 years; 50 grams triggers 10 years. 40 grams of fentanyl triggers 5 years; 400 grams triggers 10 years. A prior felony drug conviction doubles these minimums. The sentencing judge has no discretion to go below the mandatory minimum unless the safety valve or a substantial assistance motion applies.

Can I avoid the mandatory minimum?

Yes — through safety valve eligibility under 18 U.S.C. § 3553(f), through a USSG § 5K1.1 substantial assistance motion based on cooperation, or through a successful quantity challenge that moves the calculation below the threshold. The safety valve requires meeting five specific criteria and providing complete and truthful disclosure to the government. Where the defendant qualifies, the mandatory minimum is eliminated and the court sentences within the guidelines range. Safety valve eligibility is assessed in every federal drug case from the first consultation.

What is federal drug conspiracy — and can I be convicted just for knowing traffickers?

Federal drug conspiracy under 21 U.S.C. § 846 requires proof of a knowing agreement to commit drug trafficking and the defendant's knowing and voluntary participation — with the same penalties as the underlying trafficking offense. Knowing people who were trafficking, being present where trafficking occurred, and communicating with members of a trafficking organization does not by itself establish conspiracy. The prosecution must prove this defendant specifically agreed to participate in the drug trafficking objective. The distinction between association and knowing participation is the most important legal question in every federal conspiracy case.

How serious are the immigration consequences — and does a conspiracy plea carry the same consequences as a trafficking plea?

Extremely serious — and yes, a federal drug conspiracy plea carries the same aggravated felony immigration consequences as a trafficking plea. Both constitute aggravated felonies under 8 U.S.C. § 1101(a)(43)(B), triggering mandatory deportation with essentially no discretionary relief available even for long-term lawful permanent residents. A non-U.S. citizen who accepts a conspiracy plea believing it is less immigration-consequential than the trafficking charge is accepting the same mandatory deportation. Immigration analysis and charge reduction must be the central focus of every plea negotiation for any non-U.S. citizen defendant.

Does diversion apply to federal drug charges?

Generally no — PC 1000, Proposition 36, and most California diversion programs do not apply to federal charges. The primary defense pathways are suppression, quantity challenges, conspiracy element challenges, entrapment, cooperation and safety valve, and charge reduction. Charge reduction to a non-trafficking offense — which may then open diversion options under state law — is frequently the most important strategic goal in federal drug cases where full acquittal is not achievable.

Are payment plans available?

Yes. The Law Offices of David Chesley offers flexible payment plans because cost should never be the reason someone facing federal drug charges goes without experienced legal representation. Call to discuss options during your free consultation.

More questions? We are available 24/7 — free consultation, no obligation, no pressure. 📞 (800) 755-5174


FREE CONSULTATION — CALL NOW — 24/7

Federal drug investigations are built over months or years — and the most important defense work happens immediately after arrest, before the indictment, before cooperating witnesses lock in their accounts in exchange for deals that cannot be undone, and before the government's case is presented in the form it will take to trial. Every day without experienced federal defense counsel is a day the wiretap evidence — the recordings that form the foundation of most major federal drug prosecutions — goes unexamined for the specific Title III necessity and minimization violations that could suppress it entirely and collapse the case before a single element is contested at trial. Every day the mandatory minimum quantity calculation sits unchallenged in the charging document is a day the government's overstated figure — built on cooperating witness testimony inflated by the witness's own sentencing incentives and on law enforcement extrapolation from seized samples — becomes more embedded in the prosecution's theory, without an independent expert examining the methodology that could move the calculation below the threshold separating a 10-year mandatory minimum from a 5-year one or no mandatory minimum at all. Every day a non-U.S. citizen defendant faces a federal trafficking or conspiracy charge without immigration-specific analysis — including the critical warning that a conspiracy plea carries the same mandatory deportation consequence as a trafficking plea — is a day the permanent immigration decision of a lifetime moves closer to being made without the only analysis that can prevent a catastrophic outcome. Every day the cooperation window in a multi-defendant case goes unassessed is a day the most significant sentencing benefit available — cooperating before other defendants provide the same information — may be narrowing irreversibly as co-defendants move first.

Don't make statements without counsel. Don't make cooperation decisions without experienced counsel. Don't assume the case is too strong to challenge. And don't wait. If you have been charged with or are under investigation for federal drug charges in California — in any of the four federal districts — call now.

The Law Offices of David Chesley offer a free, confidential consultation available 24 hours a day, 7 days a week. No judgment. No pressure. Honest assessment of your case — including every suppression opportunity, quantity vulnerability, conspiracy element challenge, immigration risk, and cooperation option.

Flexible payment plans available — because cost should never be the reason someone facing federal drug charges goes without the experienced defense this case demands.

David Chesley handles federal drug defense in all four California federal districts and in California state courts across all of California — Los Angeles County, Orange County, San Diego County, Riverside County, San Bernardino County, Ventura County, Santa Barbara County, Kern County, Fresno County, Sacramento County, Alameda County, Santa Clara County, San Francisco County, Contra Costa County, San Joaquin County, Stanislaus County, Monterey County, and every other jurisdiction statewide.

Se habla español.

📞 (800) 755-5174 📧 calllog@chesleylawyers.com 🌐 www.chesleylawyers.com


"Federal drug charges carry mandatory minimums, decades of prison time, and permanent aggravated felony immigration consequences — built by specialist prosecutors using years of wiretap surveillance, cooperating witnesses, and financial analysis. But every mandatory minimum threshold must be proven by the quantity the prosecution can actually establish. Every wiretap must meet Title III requirements. Every conspiracy must show specific knowing participation. My commitment is identifying every vulnerability — in the surveillance, the quantity, the conspiracy, and the cooperation — and pursuing every available defense from the first day." — David Chesley, California Criminal Defense Attorney

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Cocaine

Possession of Cocaine (CA. Penal Code 1203.073) commonly called “coke”, “snow”, “blow” is a controlled substance. Learn More
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Ecstasy

Ecstasy is a popular drug, used commonly by “partygoers”, ecstasy is both a stimulant and hallucinogen that produces... Learn More
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Heroin

Heroin (Health and Safety Code 11350 & 11351 HS) is a Schedule 1 drug under the United States Controlled Substances Act. Learn More
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Marijuana

California’s Health & Safety Code has many sections that deal with the various offenses related to Marijuana. Learn More
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Methamphetamines

Methamphetamines (CA. Health & Safety Code 11377 &11378 HS) are among the most commonly abused drugs in California. Learn More
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Prescription Drugs

Prescription Drugs (Health & Safety Code 11350 and 11351 HS) are illegal to possess without a proper prescription. Learn More

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Recent Results

  • Our client faced multiple serious charges in Los Angeles County, including Penal Code § 211 (Robbery), § 245(a)(1) (Assault with a Deadly Weapon), and § 245(a)(4) (Assault with Force Likely to Cause Great Bodily Injury). Unlike a co-defendant represented by another firm who pled to a felony conviction with a "strike," our legal team pursued a different strategy. Through the submission of a comprehensive mitigation package to the District Attorney, we successfully negotiated a complete dismissal of all charges.
  • Our client faced serious charges under Penal Code section 211 for alleged felony robbery involving force and fear in Riverside County (Murrieta Court) . The prosecution argued that probation was not appropriate due to our client’s prior felony convictions in San Bernardino County, including a previous robbery in April 2021 and grand theft in November 2019. Despite the severity of these allegations, our legal team successfully demonstrated insufficient evidence during the preliminary hearing. As a result, all charges were dismissed. This outcome allowed our client to move forward without the burden of a new conviction.
  • Multiple defendants each facing 7 years charged with smuggling prescription drugs into California from Mexico. Our client was the only defendant who received NO JAIL TIME!
  • Client facing 5 years for possession of deadly weapon we negotiated a plea for NO JAIL TIME!
  • Client facing 3 life terms for multiple felony counts of Child Molestation and Sodomy with child we proved the charges were fabricated by victim's mother DISMISSAL of all charges at preliminary hearing!
  • Strike case: Client charged with possession of methamphetamine facing 25 years we filed a Romero Motion which was granted case REDUCED TO MISDEMEANOR!
  • Client's estranged girlfriend alleged Client broke into her room and choked her facing 14 years in State Prison we won at trial JURY ACQUITTAL.
  • Police allegedly discovered 3 bags of marijuana in client's glove box faced 6 years we filed a 1538.5 motion to suppress resulting in DISMISSAL of all charges!

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