i went step by step as to why you would have to hate the people you serve to unleash that type of monster on unsuspecting citizens. reporter: you called him a monster? yes. lamar gunn was not the only person who warned greensboro. he was chosen by greensboro s get tough police chief michael petyo. after webster was hired, members of greensboro s african american community protested and went to the town council pleading with them to reverse the decision to hire webster. but the council made up of five white men allowed webster to stay on the force as one of the town s four police officers. agreeing with petillo that he earned a second chance. joining me is rebecca brown from the innocence project. welcome to meet the press. thanks. this is the wandering cop syndrome. when you get to the details of