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

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

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

A grenade is missing from the scene of an explosion at a Los Angeles County Sheriff’s Department training facility that ...

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

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

The explosives that detonated and killed three L.A. County Sheriff’s Department deputies may have been found in a storage ...

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

Three deputies were killed Friday in an explosion at the L.A. County Sheriff's Department's Biscailuz Center Training Academy ...

Authorities investigating the deadly blast at a Los Angeles County Sheriff's Department training facility are looking into ...

Arson and Explosives detectives believed two grenades found at the complex were inert, but took them to be destroyed and ...

Los Angeles County sheriff’s detectives believed two grenades found in a storage unit at a Santa Monica townhouse complex last week were inert after performing X-rays on them, but took them anyway to ...