National Geographic goes inside the US-Mexico border with unprecedented access to the growing arsenal of high tech cameras, ground radar, and skilled trackers who are faced with the challenge of controlling the desert every day.

National Geographic goes inside the US-Mexico border with unprecedented access to the growing arsenal of high tech cameras, ground radar, and skilled trackers who are faced with the challenge of controlling the desert every day.

Aviation Enforcement Pilot John Manheimer and his Black Hawk team struggle to track down and stop suspected illegal border crossers and drug smugglers in the rugged mountain terrain of the Sonoran Desert.

Aviation Enforcement Pilot John Manheimer and his Black Hawk team struggle to track down and stop suspected illegal border crossers and drug smugglers in the rugged mountain terrain of the Sonoran Desert.

Border Patrol Agents William Ortiz and Eduardo Berlanga intercept a pickup truck packed with people who have illegally crossed the border. The situation heats up when they find two young twin girls and a distrustful father.

Border Patrol Agents William Ortiz and Eduardo Berlanga intercept a pickup truck packed with people who have illegally crossed the border. The situation heats up when they find two young twin girls and a distrustful father.

Officer Hector Navarro stops a silver pickup truck at the Nogales port of entry. When suspicion prompts a canine sniff for narcotics a cleverly hidden trove of heroin is uncovered - breaking an all-time record for drug busts at this port of entry. Written by Anonymous

Officer Hector Navarro stops a silver pickup truck at the Nogales port of entry. When suspicion prompts a canine sniff for narcotics a cleverly hidden trove of heroin is uncovered - breaking an all-time record for drug busts at this port of entry. Written by Anonymous

An officer responsible for intercepting drug money being smuggled into Mexico detains a suspect and uncovers a stash of suspected contraband profits. CBP seeks out corruption within its own ranks, which can be vulnerable to cartel bribes and double agents. Two newly graduated agents put their training to the test in pursuit of illegal immigrants in the desert. After being beaten to the punch on their first assignment, they have a second chance when another group of crossers heads deep into the nearby mountains. Written by Anonymous

An officer responsible for intercepting drug money being smuggled into Mexico detains a suspect and uncovers a stash of suspected contraband profits. CBP seeks out corruption within its own ranks, which can be vulnerable to cartel bribes and double agents. Two newly graduated agents put their training to the test in pursuit of illegal immigrants in the desert. After being beaten to the punch on their first assignment, they have a second chance when another group of crossers heads deep into the nearby mountains. Written by Anonymous

Officers and agents in San Diego discover thirty people elaborately concealed in a tractor-trailer, race to prevent people from illegally crossing the border under the cover of a blinding fog, and unearth a payload of hundreds of pounds of marijuana carefully hidden behind the cab of a tractor-trailer. Written by Anonymous

Officers and agents in San Diego discover thirty people elaborately concealed in a tractor-trailer, race to prevent people from illegally crossing the border under the cover of a blinding fog, and unearth a payload of hundreds of pounds of marijuana carefully hidden behind the cab of a tractor-trailer. Written by Anonymous

Officers and agents of U.S. Customs and Border Protection work 24/7 to patrol the border between San Diego, California and the Mexican city of Tijuana.

Officers and agents of U.S. Customs and Border Protection work 24/7 to patrol the border between San Diego, California and the Mexican city of Tijuana.

On the U.S.-Mexico border, officers and agents work to fight the threat of terrorism while remaining vigilant against illegal immigration and contraband smuggling.

On the U.S.-Mexico border, officers and agents work to fight the threat of terrorism while remaining vigilant against illegal immigration and contraband smuggling.

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National Geographic goes behind the scenes as agents and officers of the Department of Homeland Security apprehend airline passengers with counterfeit identification, intercept a load of narcotics on a boat bound for Florida, and raid an area in Puerto Rico hoping to dismantle gang and drug operations. Written by Anonymous

National Geographic goes behind the scenes as agents and officers of the Department of Homeland Security apprehend airline passengers with counterfeit identification, intercept a load of narcotics on a boat bound for Florida, and raid an area in Puerto Rico hoping to dismantle gang and drug operations. Written by Anonymous

Witness one of the Caribbean's largest drug busts of the year when more than 1.5 tons of cocaine are found aboard a Panamanian fishing boat heading to the U.S.

Witness one of the Caribbean's largest drug busts of the year when more than 1.5 tons of cocaine are found aboard a Panamanian fishing boat heading to the U.S.

National Geographic's ripped-from-the-headlines Border Wars special explores Mexico's drug war.

National Geographic's ripped-from-the-headlines Border Wars special explores Mexico's drug war.

Agents turn a Miami gang member into an informant, raid a marijuana grow house, and intercept a boat carrying more than 500 pounds of cocaine.

Agents turn a Miami gang member into an informant, raid a marijuana grow house, and intercept a boat carrying more than 500 pounds of cocaine.

Take chase with border agents as they pursue suspected illegal immigrants in brutal conditions.

Take chase with border agents as they pursue suspected illegal immigrants in brutal conditions.

Follow along as agents track a group of suspected illegal immigrants hiking through private ranchland on an unusual trail--one that's headed in the wrong direction.

Follow along as agents track a group of suspected illegal immigrants hiking through private ranchland on an unusual trail--one that's headed in the wrong direction.

Border agents barter with a human smuggler who won't give up immigrants stranded in turbulent waters in the aftermath of Hurricane Alex.

Border agents barter with a human smuggler who won't give up immigrants stranded in turbulent waters in the aftermath of Hurricane Alex.

Following a high-speed chase, border agents uncover a huge load of marijuana in a flipped stolen vehicle.