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San Diego Federal Drug Trafficking & Importation Lawyer

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This page was written, edited, reviewed & approved by Karren Kenney following our comprehensive editorial guidelines Karren Kenney, the Founding Partner, has 30+ years of legal experience as a criminal defense attorney.

by Karren Kenney / Last Updated: December 8, 2025

If you or a loved one has been arrested at the border or targeted in a federal investigation for drug trafficking or importation, you’re not dealing with a simple possession case. You’re up against the United States government, represented by the U.S. Attorney’s Office for the Southern District of California—one of the busiest federal districts in the country because of border-related crimes. Department of Justice

At Kenney Legal Defense, founding attorney Karren Kenney has spent more than 25 years litigating criminal cases in Southern California courtrooms, with over 100 criminal jury trials under her belt. As a former Senior Deputy Public Defender, she has never prosecuted anyone—and she brings that defense-only mindset into every federal case.

When your freedom and future are on the line, you need a federal drug crimes lawyer who knows how the system really works, not a former prosecutor who used to put people in prison.


Why San Diego Is a Hotbed for Federal Drug Cases

San Diego sits at the center of federal drug enforcement:

  • The San Ysidro Port of Entry is the busiest land border crossing in the world.
  • The U.S. Attorney’s Office in San Diego files dozens of border-related cases every week, including importation of controlled substances.
  • The U.S. Sentencing Commission reports that drug trafficking remains one of the most common federal offense categories nationwide. U.S. Sentencing Commission

Federal drug trafficking charges often involve:

  • Fentanyl
  • Methamphetamine
  • Cocaine
  • Heroin
  • Synthetic or prescription drugs moved in bulk

If your case involves crossing at San Ysidro, Otay Mesa, Tecate, or Calexico, expect it to be handled as a federal matter—not just a state case.


Common Federal Drug Charges in the Southern District of California

Some of the most frequently charged federal drug offenses include:

  • Importation of controlled substances
    – 21 U.S.C. §§ 952, 960
  • Possession with intent to distribute
    – 21 U.S.C. § 841
  • Drug trafficking conspiracy
    – 21 U.S.C. § 846
  • Attempted importation
  • Aiding and abetting / courier cases

The U.S. Sentencing Commission’s drug primer gives an overview of how these statutes and guidelines work together at sentencing.


Mandatory Minimums & Federal Sentencing in Drug Cases

Drug trafficking sentencing is driven by:

  • Drug type & quantity
  • Prior criminal history
  • Role in the offense (organizer vs. courier)
  • Safety Valve eligibility
  • Cooperation with the government (in some cases)

Congress has imposed mandatory minimum sentences for many drug trafficking offenses. Reports from the U.S. Sentencing Commission and the Congressional Research Service explain how these mandatory minimum penalties work and when limited exceptions may apply. U.S. Sentencing Commission

In simple terms:

  • Certain quantities trigger 5- or 10-year mandatory minimums.
  • Judges must start with the Federal Sentencing Guidelines and then consider factors under 18 U.S.C. § 3553(a).
  • Recent Sentencing Commission drug amendments may impact how some drug offenses are scored going forward.

At Kenney Legal Defense, we dig into quantity challenges, role reductions, mitigating evidence, and safety-valve arguments to push back against excessive sentencing exposure.


Border Searches, Couriers & “Blind Mule” Allegations

Many San Diego federal drug cases begin with:

  • CBP officers discovering drugs in hidden compartments
  • Allegations that the driver is acting as a courier
  • Claims that the defendant “should have known” or “must have known” the drugs were present

The government has massive resources—DEA, HSI, CBP, and task forces working together. But they still have to prove you knowingly transported drugs. The U.S. Sentencing Commission’s drug reports emphasize how often low-level couriers face harsh penalties for relatively minor roles.

Our job is to show:

  • Lack of knowledge (the “blind mule” defense) where supported by evidence
  • Coercion or duress where threats or pressure were involved
  • Illegal searches or violations of Fourth Amendment rights

Every case starts with a deep dive into the government’s evidence:

  • Border reports, CBP notes, and video
  • Lab reports and chain of custody
  • Phone downloads, cell site data, and alleged “communications”
  • Prior statements or “confessions”

Because Attorney Karren Kenney has tried over 100 criminal jury trials and defended serious drug, conspiracy, gang, and even RICO cases, she knows how agents build these cases—and how to break them down in court.

We focus on:

  • Fighting detention so you’re not sitting in custody while your case is pending
  • Filing motions to suppress illegally obtained evidence
  • Challenging drug quantity and knowledge
  • Strategically negotiating when it’s in your best interest—and taking the case to trial when it isn’t

Frequently Asked Questions to a Federal Drug Trafficking Lawyer

Q: How serious are federal drug trafficking charges in San Diego?
Very serious. The U.S. Attorney’s Office in SDCA is one of the busiest in the country because of border cases, including drug importation, and often seeks prison time in trafficking cases.

Q: Will I automatically go to prison if charged?
No—outcomes vary based on drug quantity, prior record, safety-valve eligibility, cooperation, and how strong the government’s case really is. An experienced federal defense lawyer can often significantly reduce exposure or avoid mandatory minimums in some circumstances.

Q: Is there any official information I can read about federal drug sentencing?
Yes. You can review educational materials from the United States Sentencing Commission on federal drug offenses and mandatory minimum penalties to better understand how the system works.


Talk to a San Diego Federal Drug Crimes Lawyer Today

If you’re under investigation or already indicted for federal drug trafficking or importation, you can’t afford a lawyer who is learning federal court as they go.

At Kenney Legal Defense, you get:

  • A true federal drug trafficking lawyer who has never prosecuted anyone
  • A Senior Trial Attorney with decades of courtroom experience
  • A team that treats your case like it’s the most important case in the room

Contact Kenney Legal Defense at (855) 505-5588 or contact us online for a free, confidential phone consultation about your federal drug case today.

2900 Bristol Street, Suite C204, Costa Mesa, CA 92626
 
401 West A Street, Suite 200, San Diego, CA 92101
Karren Kenney
Criminal Defense Lawyer
Karren Kenney, a dedicated criminal defense attorney, is renowned for her unwavering commitment to defending her clients' rights and freedom. Her impressive track record in the courtroom speaks volumes about her expertise. Exclusively practicing state and federal criminal defense, Karren approaches each case with diligence, persistence, passion, and strong principles. As an experienced and assertive trial attorney, she prioritizes thorough case preparation to ensure the best possible defense for those she represents.

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