LeadStory

CBS America

ADL says it flagged Colorado shooter's posts to FBI months before

CBS America · New
CBS America
CBS America
New

New details are coming out about the online radicalization of a 16-year-old who opened fire inside his high school in Evergreen, Colorado, wounding two students.

Breakdown
  • A school shooting at Evergreen High School in Colorado left two students injured and the shooter dead. 6s
  • The 16-year-old shooter had visited violent websites similar to those frequented by other recent school shooters. 20s
  • The Anti-Defamation League alerted the FBI to the shooter's disturbing online posts months before the attack. 46s
  • The FBI investigated the tip but could not identify the account user, so no arrest was made. 1m 13s
  • The incident has prompted renewed debate about the role of social media in online radicalization. 1m 53s
Social IssuesCrime