Two US Embassy officials killed in Mexico car accident were working for CIA

Two US Embassy officials killed in a car crash in Mexico following a daring raid on a secret drug lab were working for the CIA at the time, according to security officials.

The pair, who haven't been named, were killed along with two Mexican officials when their car plunged 600 feet off a cliff and burst into flames early Sunday, the Washington Post reported, citing sources familiar with the incident.

Their vehicle was part of a convoy of six navigating the narrow, mountainous roads in northern Mexico's Chihuahua state as they returned from an operation to shut down a clandestine drug laboratory...