Agents at the 86 Traffic Checkpoint, located approximately 8 miles north of Westmoreland, California, encountered the 1997 Peterbuilt tractor-trailer around 4:00 AM Sunday morning. Immediately keying in on suspicious details concerning the trucks manifest, the primary inspection agent sent the truck and driver to secondary inspection. During secondary inspection, 64 illegal occupants were discovered locked inside the trailer along with several large boxes placed toward the back of the trailer. After having secured all 64 persons, a Border Patrol K-9 was brought in to sniff the trailers interior and consequently alerted its handler to the possible presence of an illegal substance. Further inspection of the boxes revealed they contained 78 individually wrapped packages of marijuana weighing in excess of 451 pounds; an estimated street value of $361,280.