At CBP Air and Marine, agents prepare to hit the skies to stop illegal immigrants and illicit drugs from entering the US.
From the air and on the ground, three components of CBP defend one of the busiest border crossings in the US.
In Nogales, Arizona, CBP officers prevent a wanted man from slipping across the border and uncover a shocking cartel smuggling.
Agent Simon Keller's crew and horse patrols hike up the canyon in search of border crossers.
At the port of entry, CBP agents hit upon a narcotics load stashed inside a silver pickup truck.
From the air and on the ground, three components of CBP work 24/7 to defend a 51 kilometer long stretch of the border.
CBP agents take off to patrol the Sonoran Desert with the help of a unmanned aircraft called The Predator.
CBP officers are trained to identify impostors among millions of people that walk right up to America's front door.
FOB agents work 24/7 in one of the most active and remote areas for drug traffic and illegal immigrants.
Two CBP agents enter an abandoned silver mining town looking for drug carriers during the night.
The Blackhawk crew helps ground agents to track down illegal immigrants during the night.
Risking all, border patrol agents confront drug cartel foot soldiers in the dead of night.
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