DA's office IDs man fatally shot by Daly City police, say he had fake gun By KTVU staff article Daly City police issue photo of a fake gun they say a man they shot and killed was in possession of. DALY CITY, Calif. - San Mateo County District Attorney's office identified a man shot and killed by Daly City police during an incident last week. On Tuesday, the D.A.'s office said police struggled with Roger Cornelius Allen, 44, a San Francisco resident, over what turned out to be a fake gun. A news release, from D.A. Steve Wagstaffe's office offfered more details from the shooting. It said police came upon a truck with a damaged rear tire on the 700 block of Niantic Avenue last Wednesday at just before 2 p.m.