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 ...

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

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

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.

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

The explosives that detonated and killed three L.A. County Sheriff’s Department deputies may have been found in a storage unit at an apartment complex in Santa Monica, a law enforcement source ...

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.