Commuter's Murder Prompts Warning About Being Transfixed By Your PhoneKirk Hamilton10/08/13 2:00pm38410EditPromoteGo to permalinkPicture this: A bunch of people are riding the train. Like most commuters these days, they're staring at their phones: Skimming Twitter, reading books, playing games. A man takes out a .45 pistol. Puts it away. Takes it out again. No one notices. Then, he shoots and kills someone.