Serving the search warrant were sheriff’s homicide investigators, the Bureau of Alcohol, Tobacco, Firearms and Explosives, and the Los Angeles Police Department. It was unclear exactly where the

Three Los Angeles County sheriff’s deputies assigned to the arson explosives detail were killed in an explosion at a law enforcement training facility.

Investigators served a search warrant on Monday morning, July 21, on the 13900 block of Marquesas Way in Marina Del Rey in connection to an explosion that killed three deputies at a Sheriff’s Department facility on Friday,