The role of the two CIA agents, who were returning from destroying a clandestine drug lab in the northern Mexican state of Chihuahua, remains unclear.

Two instructors from the US Embassy in Mexico and two Mexican agents died on Sunday in a car accident in Chihuahua after an operation targeting clandestine drug lab ...

(CNN) — The two US embassy officials who died in a car accident in Mexico on Sunday worked for the CIA and had been collaborating with Mexican officials on expanded counternarcotics operations in the ...

Two US Embassy officials were among four investigators killed in a car crash in Mexico following a daring operation to shut down a clandestine drug laboratory. Their car was in a convoy of six trying ...

A suspected clandestine methamphetamine processing lab, according to the Attorney General's Office of Chihuahua, discovered during an operation by Mexican authorities in a mountainous area near ...