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

An explosion at a Los Angeles County Sheriff’s Department training facility killed three veteran members assigned to the ...

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

Former Los Angeles County Sheriff Alex Villanueva is looking to get his old job back after announcing his bid for reelection ...

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

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

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

A deadly explosion at a Los Angeles County Sheriff's Department training facility in the City Terrace area of East L.A. left ...

Three Los Angeles County Sheriff’s deputies were killed Friday in an explosion at a training facility in East Los Angeles, a ...

A horrific explosion at the Biscailuz Center Training Academy in East Los Angeles claimed the lives of three Los Angeles ...

A grenade is missing from the scene of a deadly explosion at a Los Angeles County Sheriff's Department training facility, ...