Texas Man Arrested at MIA With 75 Pounds of Marijuana in Luggage

The 23-year-old was attempting to board a flight to London when authorities discovered the large stash.

Published on Mar. 9, 2026

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A 23-year-old Texas man was arrested at Miami International Airport after authorities found 75 pounds of marijuana in his checked luggage as he was attempting to board a flight to London. The man, Harrison O'Neill Tiernan, was charged with cannabis trafficking.

Why it matters

Drug trafficking and smuggling through major airports like MIA is an ongoing challenge for law enforcement. This incident highlights the efforts by U.S. Customs and Border Protection to detect and prevent the export of large quantities of illegal drugs from the United States.

The details

According to the arrest report, Tiernan had checked two bags for his flight to London's Heathrow Airport. When the bags were searched, officers found 65 vacuum-sealed packages containing a green leafy substance that tested positive for marijuana, weighing a total of 34.01 kilograms or 74.98 pounds.

  • Tiernan was arrested on Saturday, March 9, 2026 at Miami International Airport.
  • He appeared before a judge on Sunday, March 10, 2026, who set his bond at $20,000 and ordered him to wear a GPS monitor if he posts bond.

The players

Harrison O'Neill Tiernan

A 23-year-old man from Austin, Texas who was arrested at Miami International Airport for attempting to smuggle 75 pounds of marijuana in his checked luggage on a flight to London.

U.S. Customs and Border Protection

The federal agency responsible for conducting inspections and interdicting illegal drugs and other contraband at U.S. ports of entry, including airports.

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What’s next

Tiernan will remain in custody pending a decision on whether he will be granted bail. If released, he will be required to wear a GPS monitor.

The takeaway

This incident underscores the vigilance required by authorities to detect and prevent the export of large quantities of illegal drugs through major international airports. It also highlights the ongoing battle against drug trafficking and the need for continued enforcement efforts to keep communities safe.