NEWYou can now listen to Fox News articles! The suspect accused of killing Turning Point USA founder Charlie Kirk at Utah Valley University "left evidence everywhere" despite what appears to be extensive planning for the attack, according to a former FBI agent who now teaches criminal justice at the school. Tyler Robinson, 22, is accused of assassinating the 31-year-old Kirk by shooting him in the neck from a rooftop as the victim was speaking in front of thousands of people in the campus courtyard. Greg Rogers spent decades as an undercover agent for the FBI and now teaches a class...