According to sources familiar with the operation, the raid of a clandestine drug lab involved four CIA agents, raising questions about the scope of the agency's activity in Mexico.

The death of US officials following an operation to dismantle a drug lab in northern Mexico is escalating tensions with Washington, as President Claudia Sheinbaum insists her government was unaware of their involvement.

Mexican authorities continued to contradict themselves over the role of two CIA agents in a counternarcotics operation in northern Mexico and the extent to which Mexico’s federal government was aware of the U.

Governor Campos's role in CIA operations in Chihuahua, U.S. Ambassador Johnson and Teotihuacán were topics at the April 24 mañanera.

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 country,

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.

The death of two U.S. intelligence officials has exposed the expanding, often secret reach of American operations south of the border.

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 spoke to the AP on Tuesday on the condition of anonymity confirmed the CIA’s involvement.

The subpoenas went out shortly after the Justice Department appointed conservative Trump ally Joe DiGenova to formally take over the criminal investigation into John Brennan.