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 caused an explosion last week ...

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

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

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

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

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

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