The police presence comes a day after a boat docked nearby was under investigation – authorities were looking to see if that ...

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

The Los Angeles County Sheriff's Department on Tuesday served a search warrant in Marina del Rey to follow up on leads ...

Officials served a search warrant in Marina del Rey on Tuesday as they continue to investigate a deadly explosion that killed ...

A suspicious device investigation in Marina del Rey is connected to the explosion that killed three detectives last week, the ...

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

The Los Angeles County Sheriff's Department served a search warrant in Marina del Rey to follow up on leads stemming 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 ...

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

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