Could this state commission help weed out bad cops? David Gambacorta, William Bender, Liz Navratil, The Philadelphia Inquirer When Michael Rosfeld, a rookie East Pittsburgh police officer, shot and killed an unarmed teenager named Antwon Rose II in June 2018, some Pennsylvania lawmakers started kicking around the idea of improving training and hiring standards for cops across the state. Several months before Rosfeld was hired in East Pittsburgh, he’d resigned from a university policing job after being notified that he was going to be fired. That a troubled cop could so easily get another law enforcement job — and then take someone’s life — seemed to make the case that the state needed to have a better way of regulating its police forces, which number more than 1,000.