S4, E3: AMO Puerto Rico sinks a marine smuggling operation and seizes over 900 kilos of cocaine worth more than $27 million. In San Diego, HSI shuts down a drug cartel’s tunnel that linked Tijuana to a warehouse in the U.S., while a CBP K9 sniffs out a mixed load of black tar heroin, fentanyl, and meth with a combined street value of $819,000. CBP Atlanta confiscates personal use narcotics from two travelers returning from overseas vacations.
