Disturbing details from shooter's past: 'I was on his kill list'

Disturbing details from shooter's past: 'I was on his kill list'
A former high school classmate of Dayton, Ohio, shooter Connor Betts says he and another classmate called police years ago to warn them that Betts had a "kill list." CNN's Drew Griffin reports.

Source: Disturbing details from shooter's past: 'I was on his kill list' How Insurance Companies Work?