Officals in Palm Beach Gardens, Fla., said Tuesda evening that 31-year-old Corey Jones, a well-known area musician, was carrying a gun he had purchased legally just three days earlier when he was shot and killed by a police officer early Sunday morning. Jones was killed after his car broke down on an Interstate 95 off-ramp while he was driving home after his band played a Saturday night gig. After calling his brother and a bandmate, who came to Jones and attempted to help fix his car, Jones waited alone for a tow truck to arrive. Around 3:15 a.m., Jones was encountered by Palm...