Mugshot of Alleged Florida School Shooter Nikolas Cruz Released

The mugshot of alleged Florida school shooter Nikolas Cruz, 19, was released as dark details of the teen's life unfold. According to CBS News, at least one student recognized Cruz from an Instagram photo where he posed with a gun in front of his face. Cruz reportedly posted threats to "shoot people with my AR-15" to social media prior to the attack, that left at least 17 dead at Marjory Stoneman Douglas High School. InsideEdition.com's Keleigh Nealon (http://twitter.com/KeleighNealon) has more.