From the air and on the ground, three components of CBP defend one of the busiest border crossings in the U.S.
(03:00)At CBP Air and Marine, two dozen agents hit the skies to stop illegal immigrants and illicit drugs from entering the US.
(04:37)CBP officers inspect every individual that comes through the Nogales Pedestrian Gate.
(02:59)Agent Simon Keller's crew and horse patrols hike up the canyon in search of border crossers.
(02:59)At the port of entry, CBP agents hit upon a narcotics load stashed inside a silver pickup truck.
(03:00)Border Patrol Agent William Ortiz chases a pickup loaded with illegal immigrants.
(02:38)CBP officers dismantle the floorboards of a car in search of a hidden compartment full of marijuana.
(02:56)CBP officers and agents try to save a group of suspected illegal immigrants lost in the desert.
(02:54)CBP agents meet two possible young victims of human trafficking and sexual exploitation.
(02:29)Port of entry officers find several packages of money in a shiny red pickup truck heading into Mexico.
(02:45)Port of entry officers take 17 packages of money to a secure safe room to determine the financial damage they inflicted on the ...
(02:06)Officer Hugo Nunez and his team scan hundreds of drivers for signs of contraband.
(02:50)