A man wanted for murder in Miami tries to cross the border into the US.
Immigrants are left stranded in the Rio Grande when their guides abandon them.
Border patrol agents on the Rio Grande struggle to save the life of a possible smuggler caught in a firefight with the Mexican military.
Agents spot a man hiding in a cargo train, who's been traveling for 21 days all the way from Honduras.
On a rental lot near the border, agents uncover a pick-up hiding a massive cache of arms.
Border agents smoke bomb a tunnel to check for its access point on the Mexican side of the border.
A seemingly innocent woman is driving a car with a hidden load of weed in the gas tank.
Border patrol agents search a car stuffed with packages of cocaine coated in grease to mask its scent.
After a harrowing journey, an El Salvadoran man in fear for his life is caught by the US Border Patrol.
DEA agents raid a marijuana grow house operation in Florida.
Brownsville police raid a suspected stash house in hopes of catching a cartel operation in action.
National Geographic goes inside the world of U.S. Customs and Border Protection for an unprecedented look at their efforts to prevent illegal immigration and drug smuggling along the U.S.-Mexico border.
Follow the officers and agents of U.S. Customs and Border Protection (CBP) as they scour the inhospitable landscape at one of the busiest border crossings in the country, seeking to fight terrorism and intercept illegal entrants from the air, on the ground, and at the ports of entry.
National Geographic goes beyond the controversy and political wrangling of illegal immigration to see the real-world battles being waged by the men and women responsible for securing our borders.
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