About 6 a.m. Friday, investigators say, Williams pulled into the Mountain View RV Park in Bowie driving Holden's pickup truck. He went inside a convenience store on the property where he pulled out a gun and demanded money, said Carol Capas, a spokeswoman for the Cochise County Sheriff's Department. "He said, 'This is robbery. I want all the money in the cash register,' " store worker Richie Chapman said. "And as he said that, he drew a weapon from underneath his shirt, and I drew and fired." "If he had gotten a shot off, I would have been dead," said...