John Nix pulled out his cell phone after spotting what he thought was a gang of thugs mugging a man in the parking lot of a North Carolina shopping mall last week. The former city council candidate ended up in jail after the men who were in street clothes turned out to be cops arresting a suspected shoplifter. They thought he was taking their picture. According to the Kinston Free Press: Nix said one man quickly walked up to him, showed a police badge, and asked: “Can I help you?” He told the officer he could not help him, but...