Officers spent hours searching a Santa Monica apartment building where the device that exploded and killed three deputies may have originally come from.

Eklund, Victor Lemus and William Osborn were killed in an explosion on Friday. A local apparel company is raising money to help their families.

With profound sadness and heavy hearts, the Los Angeles County Sheriff’s Department has announced the passing of three

Memorial services are expected to be announced soon for the three Los Angeles County Sheriff’s detectives killed in an explosion at a training facility in East Los Angeles — the agency’s deadliest day since 1857.

Three Los Angeles County Sheriff’s Department deputies were killed in what officials are calling a critical arson explosives workplace incident in East Los Angeles on Friday morning, according to sheriff’s officials.

Authorities are now focusing on a Santa Monica apartment where ordnances had been recovered a day before the fatal explosion

The department said it appears the detectives were moving explosives on a cart in the training center's parking lot when the blast occurred.

These alleged actions, as detailed in federal court documents, are deeply disturbing,” according to the Los Angeles County Sheriff’s Department.