Tweet A news helicopter was on the scene of a police chase that started in Phoenix and went all the way into Pinal County Tuesday night.  The Department of Public Safety was following a vehicle believed to have been stolen from Phoenix, and tried to pull it over in Casa Grande — but the driver took off into the desert. DPS troopers followed and the suspect vehicle eventually crashed. The suspects More..More..bailed out of the vehicle and fled on foot. Officers are working to apprehend all of the vehicle’s occupants.