New details emerge about suspected Gilroy Garlic Festival gunman

New details are emerging about the suspected gunman who killed three people at a popular food festival in California. The alleged gunman has been identified as 19-year-old Santino William Legan. Mary Ellen O’Toole, a retired FBI profiler and program director at George Mason University’s forensic science department, joined CBSN to offer a closer look at the suspect. Source