Drug Trafficking Jurisdiction in Foreign Waters: Why the Davila-Mendoza Case Matters
Drug trafficking jurisdiction in foreign waters has real, meaningful limits, even when the United States Coast Guard makes the arrest and even when the evidence of trafficking is overwhelming. A case involving a stalled speedboat off the coast of Jamaica shows exactly where those limits sit.
An Orlando drug crime attorney can challenge jurisdiction, statutory authority, and whether Florida courts may lawfully prosecute conduct alleged to have occurred outside state territory.
Facing Federal Drug Trafficking Charges Connected to a Foreign Vessel?
United States jurisdiction over drug trafficking in foreign waters has real constitutional limits. Call John Guidry at (407) 423-1117 to discuss whether this issue applies to your case.
What Happened on That Speedboat
The case is United States v. Davila-Mendoza, No. 17-12038 (11th Cir. Aug. 26, 2020). On June 4, 2016, a go-fast vessel carrying roughly four tons of marijuana stalled out in Jamaica’s territorial waters, the sheer weight of the cargo overwhelming the boat’s engines. U.S. Coast Guard officials patrolling the area by air and sea spotted the disabled vessel and requested permission from the Jamaican government to board it. Jamaica consented.
Once aboard, Coast Guard officers discovered the marijuana and detained the crew members. According to statements the crew gave, the drugs originated in Jamaica and were headed to Costa Rica. The Coast Guard transported the defendants back to the United States, where prosecutors charged and convicted them of drug trafficking under the Maritime Drug Law Enforcement Act. They each received five-year sentences.
Why the Eleventh Circuit Reversed the Convictions
Every institution involved in this case, the trial judge, the prosecutor, and the Coast Guard itself, treated the prosecution as entirely routine. The Eleventh Circuit Court of Appeals disagreed. In a lengthy opinion examining the constitutional limits on extraterritorial jurisdiction, the court found that applying U.S. drug trafficking law to these specific defendants exceeded the government’s constitutional authority.
The court’s reasoning centered on the complete absence of any meaningful connection to the United States. Two foreign nationals operated a foreign-registered vessel, carrying drugs that originated in one foreign country and were destined for another. The interdiction happened in Jamaica’s own territorial waters, with Jamaica’s consent, rather than in international waters or anywhere connected to American shores. The court examined several potential constitutional justifications, including the Foreign Commerce Clause, the Necessary and Proper Clause, the law of nations, and the Define and Punish Clause, and found none of them adequately supported extending U.S. criminal jurisdiction to conduct this disconnected from American interests.
Why This Nexus Requirement Matters
Federal drug trafficking law generally allows prosecution even when drugs never actually reach American shores, since the government doesn’t have to wait for contraband to physically enter the country before intervening. However, Davila-Mendoza illustrates that this authority isn’t unlimited. When a case involves entirely foreign parties, a foreign vessel, foreign drugs, and a foreign destination, with the interdiction itself happening inside another sovereign nation’s own territorial waters, the constitutional justification for American prosecution can genuinely break down.
What This Means for Similar Cases
This ruling doesn’t mean the Coast Guard cannot interdict drug trafficking vessels in international waters or in situations with a genuine connection to the United States. Plenty of maritime drug cases proceed successfully because they involve stateless vessels, international waters, or some other recognized basis for jurisdiction. What Davila-Mendoza establishes is that jurisdiction has real boundaries, and a case built entirely around foreign parties transporting foreign contraband between two foreign countries, seized within a third country’s own territorial waters, can fall outside those boundaries entirely.
(Note to John: given how significant this ruling was, it’s worth confirming whether the government sought further review of this decision, since some commentary at the time speculated about a possible appeal. Let me know if you have an update on the case’s ultimate final status.)
If You Want More Related Content
Check out our more videos and breakdown articles covering major updates in Florida defense law. You can also use the links below to stay informed. Learn how to protect your constitutional rights when dealing with law enforcement.
Watch: https://youtu.be/zXC7YUKhOfc
Read: https://jgcrimlaw.com/articles/florida-boater-freedom-act-probable-cause/
John’s Takeaways
- United States v. Davila-Mendoza, No. 17-12038 (11th Cir. Aug. 26, 2020), reversed drug trafficking convictions involving a stalled vessel interdicted within Jamaica’s own territorial waters.
- The court found that prosecuting entirely foreign parties, transporting foreign drugs between two foreign countries, exceeded the government’s constitutional authority in this specific circumstance.
- Federal drug trafficking jurisdiction generally doesn’t require drugs to reach American shores, but this case shows that authority still has real limits when a case has no meaningful connection to the United States.
- The court examined and rejected multiple potential constitutional justifications, including the Foreign Commerce Clause and the Necessary and Proper Clause.
- This ruling doesn’t affect cases involving international waters or a genuine nexus to the United States. It specifically addresses situations where jurisdiction rests entirely on interdicting a vessel inside another sovereign nation’s territorial waters.
Facing Federal Drug Trafficking Charges Connected to International Waters?
I’ve been following developments in federal drug trafficking jurisdiction closely, and cases like Davila-Mendoza show real constitutional limits worth examining in any case involving international elements. I represent clients across Orange, Seminole, Osceola, Lake, Brevard, and Volusia County.
Give my office a call. Let’s talk through the specific facts of your case and whether jurisdictional limits like these apply.
John Guidry — (407) 423-1117
About John Guidry II

John Guidry II is a seasoned criminal defense attorney and founder of the Law Firm of John P. Guidry II, P.A., located in downtown Orlando next to the Orange County Courthouse, where he has practiced for over 30 years. With more than three decades of experience defending clients throughout Central Florida since 1993, Guidry has successfully defended thousands of cases in Orange, Seminole, Osceola, Brevard, Lake, and Volusia counties. He has built a reputation for his strategic approach to criminal defense, focusing on pretrial motions and case dismissals rather than jury trials.
John Guidry earned both his Juris Doctorate and Master of Business Administration from St. Louis University in 1993. He is a member of the Florida Bar and the Florida Association of Criminal Defense Lawyers. His practice encompasses the full spectrum of Florida state criminal charges, with a particular emphasis on achieving favorable outcomes through thorough pretrial preparation and motion practice.
Beyond the courtroom, Guidry is a prolific legal educator who has authored over 400 articles on criminal defense topics. He shares his legal expertise through his popular YouTube channel, Instagram, and TikTok accounts, where he has built a substantial following of people eager to learn about the law. His educational content breaks down complex legal concepts into accessible information for the general public.
When not practicing law, Guidry enjoys tennis and pickleball, and loves to travel. Drawing from his background as a former recording studio owner and music video producer in the Orlando area, he brings a creative perspective to his legal practice and continues to apply his passion for video production to his educational content.