The investigation into the deaths of three L.A. County deputies, all killed by an explosion of military-style grenades ...

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

This development follows a continuing investigation into an apartment building in Santa Monica, where several devices ...

Authorities are looking into whether grenades recovered from a Santa Monica apartment complex were the cause of an explosion ...

Law enforcement sources told NBC Los Angeles last week that the three deputies were thrown a significant distance from the ...

A military-style grenade caused last week’s accidental explosion that killed three Los Angeles sheriff’s deputies at a training facility, the LA County Sheriff’s Department said on Monday.

The investigation into an explosion that killed three Los Angeles County sheriff’s deputies in East Los Angeles turned to Marina del Rey Monday, where investigators served a search warrant at a boat ...

The investigation into an explosion that killed three Los Angeles County sheriff’s deputies in East Los Angeles turned to Marina del Rey Monday, where investigators served a search warrant at a boat ...

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

A portion of the 60 freeway is named in honor of Deputy Michael Arruda, on what would have been his 57th birthday.