Season 4

HSI Miami catches a shipment of cocaine-filled fish, CBP takes on human smuggling at the border, and agriculture specialists in ATL search passengers.

HSI busts a ketamine smuggler in Miami, K9s sniff out fentanyl in San Diego and JFK officers uncover ancient gold looted from Afghanistan.

AMO Puerto Rico sinks a marine smuggling op. In San Diego, HSI shuts down a tunnel dug under the border by a cartel, and a CBP K9 finds drugs in a car.

HSI busts a notorious dark web trafficker in France, while CBP screens travelers for fentanyl in AZ and airline passengers for illicit cash in FL.

AMO agents in Puerto Rico chase smugglers at sea who toss their load overboard, while meth pops out of a car after a fender bender in El Paso.

HSI stakes out a cartel handoff of cocaine in Texas, while CBP finds coke hidden on ships in Miami and screens for duty violations at JFK.

HSI tracks an ecstasy package through Chicago, while CBP finds fentanyl abandoned in a bathroom in Texas and searches travelers for narcotics at JFK.

HSI executes a controlled delivery of meth in Brooklyn, while CBP finds 2C on partiers in Florida and a vehicle bursting with meth in San Diego.

CBP finds 142 kilos of coke in a shipment of avocados in Florida, while CBP, HSI and Border Patrol pursue human smuggling leads in Texas.

HSI executes a controlled delivery of ketamine in Queens, NY, while CBP recovers stolen artifacts in Miami and finds a mega shipment of meth at LAX.