HSI tails a truck loaded with narcotics to a meth compound near Los Angeles, and CBP discovers fentanyl and meth in cars using trusted traveler lanes.

CBP Nogales uncovers cocaine in the bumper of a car crossing from Mexico, and CBP Atlanta stops a woman smuggling underaged puppies from Brazil.

CBP hunts for drug runners off the coast and in the jungles of Puerto Rico, while CBP Laredo seizes 130 lbs of marijuana hidden inside BBQ grills.