The federal Bureau of Alcohol, Tobacco Firearms and Explosives has taken over the investigation to find the grenade.

L.A. County Sheriff Robert Luna confirmed a grenade remains missing as the investigation continues into the deaths of three L ...

The explosion at the Biscailuz Training Facility in East Los Angeles killed three members of the agency's bomb squad.

One of the two military-style grenades connected to an explosion that killed three deputies last week remains missing, L.A.

One of the two hand grenades found in a Santa Monica townhome complex ahead of the deadly blast that killed three Los Angeles ...

LA County Sheriff Robert Luna and the ATF are expected to offer new details Friday on the investigation into the explosion ...

A grenade has not been found and remains missing after the explosion at an East L.A. training facility that killed three ...

A grenade is missing from the scene of an explosion that killed three Los Angeles County sheriff's deputies, authorities said ...

The deadly blast was caused by 1 of 2 grenades retrieved the day before, and believed to be inert, Sheriff Robert Luna ...

A grenade is missing from the scene of an explosion that killed three Los Angeles County sheriff’s deputies. That’s according ...

Only one of two grenades that were found at a Santa Monica apartment building storage unit last week detonated the following day in East Los Angeles — killing three sheriff’s detectives — but the ...

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