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 U.S. officials killed in a vehicle crash as they returned from destroying a clandestine drug lab in northern Mexico over the weekend were working for the CIA.

Two U.S. Embassy personnel were killed in an "accident" in Mexico, according to U.S. Ambassador to Mexico Ronald Johnson. Details remain unclear.

Two U.S. Embassy staff and two Mexican officials died in a traffic accident after an operation to destroy meth labs in Chihuahua.

A vehicle crash killed two Central Intelligence Agency (CIA) officials en route from destroying a drug lab in northern Chihuahua, Mexico, on Sunday, sources told The Associated Press. Three people who ...

After six synthetic drug labs were raided, the victims' vehicle skidded off the road and plunged into a ravine, officials said.

Mexico's president orders an investigation after a crash killed two U.S. officials and two Mexican officials linked to a clandestine drug lab operation.