A veteran investigator, a respected mentor and a skilled technician — the t hree arson investigators killed in an explosion ...

A blast at a Los Angeles County Sheriff’s Department training facility killed three members of its arson and explosives unit Friday.

Officials shared images of the deputies who were killed in what the sheriff calls the department’s deadliest incident in over 160 years.

An explosion at a Los Angeles County Sheriff’s Department training facility killed three veteran deputies from the arson and ...