From KTLA News  on the death of Los Angeles County Sheriff Steven Owen:
Trenton Trevon Lovell was arrested Wednesday and booked on suspicion of murder, according to a sheriff’s news release. He is being held without bail.
Lovell is accused of killing Los Angeles County Sheriff’s Department Lancaster Station Sgt. Steve Owen, a 29-year-veteran of the department.
The 53-year-old sheriff’s sergeant died at a hospital  after being shot shortly after noon while responding to a residential burglary call in the 3200 block of West Avenue J-7, according to sheriff’s homicide Capt. Steven Katz.