United States v. Rogelio Del Bosque

At or about 7:00 A.M. on January 9, 1975, appellant, driving in a northerly direction about 60 miles from the Mexican border, touched off a signal device (a Chekar Device) embedded in the highway. In their car, Border Patrol officers received the signal, waited until appellant’s car appeared, followed him for about two miles, and stopped him in the town of Hebbronville. Officer Ewing determined that appellant was a United States citizen. While conversing with appellant, the officer detected the odor of marijuana emanating from the car trunk. The officer asked appellant to open the trunk.…