Utah House observes moment of silenceKiller identified as 18-year-old Solejman TalovicEmotionless killer gunned down victims randomlyTheir stories: Bystanders shocked by killingsEmployee, customer witnessed slayingOther recent multiple shootings in the Salt Lake area:Trolley Square: A brief historyPosted: 8:54 AM- The man who opened fire in Trolley Square mall Monday - slaughtering two men, two women and a 15-year-old girl before he was gunned down by police - was armed with a handgun and a shotgun, police said early Tuesday. He has been identified as an 18-year-old Salt Lake City resident. Police say they will release his name, along with those of...