

A joint venture between Discovery and BBC Studios, offering unprecedented access to the Department of Homeland Security (DHS) Customs and Border Protection agency as they operate on the 28 bridges connecting the United States of America and Mexico. The lives and work of the DHS are followed and explored as they guard the border and process the millions of people who cross it every year, as well as finding a wide array of illegal contraband, much of it expertly concealed.

A shipment of cardboard packaging hides a deadly secret. Heroin disguised as a computer laptop baffles the world's most advanced narcotic detection device. The diligence of agriculture specialists pays off and saves America's forestry from a potentially devastating insect infestation.
Aired: 2/24/2019
Officers are on high alert for a cartel ambush as they transfer a Sicario over one of the 28 border bridges and into the custody of the Mexico military. A random inspection of a pick up truck reveals 32 kilogrammes of narcotics while a man, his aluminium shed. A broken key brings chaos then smiles to the Gateway to the Americas Bridge in Laredo.
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