"Dallas Police Department" . "Dallas Police" . . "Dallas PD" . . "Dallas" . . "Dallas Police Chief" . "Dallas Police Department" . . . "Dallas police sergeant" . "Dallas police" . . . "Dallas policemen" . . "Dallas Police Department#Murder of Liza Saenz and Albert Douglas" . "1881" . . "Dallas Police Department Mounted Unit" . "Dallas Police Department (DPD)" . . . "Santos Rodriguez riot, Dallas, Texas July 28, 1973" . . "Dallas Police Officer" . "''Killing of Santos Rodriguez''" . "Dallas Police Force" . "police headquarters in Dallas, Texas" .