We are continuing to learn more about the shooting at UNLV that led to 3 people being killed. Multiple law enforcement sources have confirmed to ABC News the identity of the gunman who opened fire Wednesday at the University of Nevada-Las Vegas as 67-year-old Anthony Polito, a professor who had recently applied for a job at the school. Polito is now dead, what happens next with the investigation. KSL Legal Analyst Greg Skordas joins the discussion.