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

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 ...

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

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

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 ...

A military-style grenade caused last week’s accidental explosion that killed three Los Angeles sheriff’s deputies at a ...

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

Serving the search warrant were sheriff’s homicide investigators, the Bureau of Alcohol, Tobacco, Firearms and Explosives, and the Los Angeles Police Department. It was unclear exactly where the ...