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Officers discover bundles of cocaine hidden inside the wheel wells of an SUV, and two retirees are caught trying to smuggle weight loss medication across the border.

Officers discover a fuel tanker with bundles of cocaine hidden in the cab, and three men with fake IDs and a gruesome video of a murder on their phones are questioned.

Officers intercept a truck with methamphetamine hidden inside a fuel tank, and a courier is caught trying to smuggle envelopes filled with diamonds.

Documentary with unrestricted access to America's Customs and Border Protection working on the bridges that separate Texas and Mexico.

Officers intercept an 18-wheeler carrying a load of narcotics into Canada, and banned fruit and veterinary medicines are found hidden in a pick-up truck.

A wanted fugitive tries to escape as officers take her fingerprints, and a doctor entering America is caught smuggling in prescription medication worth thousands of dollars.

Officers find $6.5 million of cocaine in a secret compartment in a bus fuel tank, and a man is spotted putting something into his shoes - but what is he hiding?

Officers find 70 packets of methamphetamine hidden in the floor of a woman's car, and a young boxer is detained over an outstanding warrant for evading arrest.

A stand-up comedian is no longer laughing after discovering the medication he bought in Mexico contains lethal fentanyl, and officers find a gun and ammunition on a bus.

A 'body carrier' is caught carrying narcotics strapped to his back, and a courier is in trouble when what appears to be ammunition and a firearm are discovered in his cargo.

Officers find 11kg of meth concealed in a spare tire, and a woman returning from Mexico tries to cross the border with four times the amount of Tramadol than is allowed.

A woman is caught concealing thousands of prescription diet pills in her car, and officers investigate a pick-up truck with a suspicious film covering the license plate.