Tucson Sector Border Patrol agents from the Nogales station arrested a 32-year-old Mexican man at the Interstate 19 immigration checkpoint near Amado, Arizona, on the evening of 13 December 2017 after finding more than 1,500 pounds (about 680 kg) of marijuana hidden in his tractor-trailer.[1][2] Agents had referred the driver for a secondary inspection after a Border Patrol canine alerted to an odour coming from the vehicle.[1][2]

A search of the trailer found 131 bundles of marijuana worth more than $770,000 concealed in the roof.[1][2] Agents turned the driver, the marijuana and the tractor-trailer over to the Drug Enforcement Administration for prosecution.[1][2]