For the third-straight day, investigations into last week's deadly explosion at a Los Angeles County Sheriff's Department ...

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

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

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 ...

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 ...

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 ...

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

Three deputies were killed on Friday morning after an explosion at a Los Angeles County Sheriff's Department facility, the ...

The department said it's working to confirm whether an apparent grenade discovered in Santa Monica on Thursday night caused ...

Three Los Angeles County Sheriff’s Department detectives were killed Friday in an explosion at a training facility in East Los Angeles, a tragedy Sheriff Robert Luna called his agency’s deadliest day ...