By Avery Schmitz, Katie Bo Lillis, Priscilla Alvarez and Natasha Bertrand, CNN (CNN) — The US military has significantly increased its surveillance of Mexican drug cartels over the past two weeks, ...

A U.S. Customs and Border Protection officer was allegedly involved in smuggling for years on the border in El Paso, Texas.

Some of the US’s most sophisticated spy planes that typically monitor the Chinese and Russians are now flooding the air ...

Border agents are on high alert after a new memo warns of possible attacks from the Mexican side of the border and urges them ...