Police identified the Virginia Tech gunman on Friday as a part-time college student from nearby Radford University, though they still have not been able to say what led him to kill a police officer and then himself. The day before Thursday’s shooting and campus-wide lockdown, Ross Truett Ashley, 22, stole a sport utility vehicle at gunpoint from a real estate office in Radford, police said. He dumped the car on the Virginia Tech campus and it was found Thursday. Click here for more details on the story.  .