The inspector general's office sent a letter on June 11 to the County Board of Supervisors raising concerns that officials ...

An explosion at a Los Angeles County Sheriff's Department training facility on Friday killed three deputies, the sheriff said ...

A veteran investigator, a respected mentor and a skilled technician — the three arson investigators killed in an explosion at ...

The device that exploded last week at a LASD facility and killed three detectives was a grenade, ABC News sources confirmed.

Three veteran Los Angeles County Sheriff's deputies, who specialize in arson and explosives, were killed when military-style ordnance detonated at a training facility on Friday morning, authorities sa ...

All three were veteran deputies. The department has not said what they were doing at the time or what caused the explosion.

Three veteran Los Angeles County Sheriff’s Department members assigned to the agency’s arson and explosives detail were ...

Serving the search warrant were sheriff’s homicide investigators, the Bureau of Alcohol, Tobacco, Firearms and Explosives, ...

Los Angeles County Sheriff Seeks Public’s Help Locating At-Risk Missing 74-Year-Old Juan Flores Dominguez, Last Seen in L.A.

At least three people have died in an explosion at a Los Angeles County Sheriff’s Department’s training facility on Friday ...

Los Angeles County sheriff's deputies did something Sunday that some may have seen as fairly embarrassing: They misplaced a weapon.

At least three people have been killed after an explosion at a Los Angeles County Sheriff's Department training facility. NBC News' Aaron Gilchrist has early details on the incident.