Investigators say they are following leads to determine the origin of the grenades that were discovered inside a Santa Monica ...

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

The investigation into an explosion that killed three Los Angeles County sheriff's deputies in East Los Angeles has turned to ...

Investigators who are looking into the deadly explosion at the LA Sheriff’s Department facility served a search warrant at a ...

Investigators served a search warrant on Monday morning, July 21, on the 13900 block of Marquesas Way in Marina Del Rey in ...

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

KTLA's Sara Welch has the latest on the investigation into the explosion that killed 3 Los Angeles County sheriff's deputies ...

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 ...

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

Authorities are looking into whether grenades recovered from a Santa Monica apartment complex caused an explosion last week ...

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