Borderforce: America's Gatekeepers

At the Columbia Solidarity officers are suspicious about the contents of two bags of sweets.

A 12-year-old boy turns up at one of the bridges on his own, claiming that his mother has been kidnapped by the cartels and he has been living on the streets.

Officers are on the lookout for day-trippers trying to smuggle prescription pills into America, bought cheaply from one of the 200 pharmacies on the other side of the border.

Suspicions are raised when a routine x-ray reveals suspicious packages hidden inside the tyres of a pick-up truck. Officers also seize a large shipment of marijuana.

People forced out of their homes in Honduras by the notorious MS-13 gang plead their case for asylum in America. Officers discover 3,000lb of marijuana hidden in a cargo truck.

Officers prepare to transfer two members of a cartel. In Laredo, a cop from Caracas, Venezuela, pleads his case for asylum in the United States.

A refugee from Venezuela tells officers how she paid human traffickers to smuggle her to the Mexico-US border. In Laredo, an American couple are caught smuggling methamphetamine.

A family from Venezuela plead with officers to enter America. In Progreso, a suspected drug dealer is caught smuggling pills in his underpants.

More than 100 boxes full of drugs are discovered inside an unlikely vehicle at the World Trade Bridge. In Progreso, a suspected gang member attempts to cross into the US.

More than 100 boxes full of drugs are discovered inside an unlikely vehicle at the World Trade Bridge. In Progreso, a suspected gang member attempts to cross into the US.