The crash, following an operation to destroy a clandestine drug lab, has reignited a debate over U.S. involvement in Mexican security operations.

Two U.S. embassy "instructors" killed in a Mexico crash were CIA officers working in anti-drug operations in Chihuahua.

Mexico to investigate possible breach of its constitution and assess US’s role in anti-drug operation near Chihuahua ...

Authorities initially said the accident happened while the officers were returning from the drug raids, but the Chihuahua state prosecutor later said the Americans weren't involved in those operations ...

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 ...

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, according to a U.S. official and two ...

Washington: 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, according to a U.S.

Mexican President Claudia Sheinbaum said the government is still investigating a potential violation of national security laws in the incident.

Mexican President Claudia Sheinbaum told reporters Tuesday that federal prosecutors are investigating potential violations of national security following a car accident in the northern Chihuahua state ...