In this file photo taken Wednesday, Nov. 27, 2019, is Sgt. Matthew Elseth with “ghost guns” on display at the headquarters of the San Francisco Police Department in San Francisco. (AP Photo/Haven Daley,File)
In this file photo taken Wednesday, Nov. 27, 2019, is Sgt. Matthew Elseth with “ghost guns” on display at the headquarters of the San Francisco Police Department in San Francisco. (AP Photo/Haven Daley,File)