Adam Lanza's mother warned ex-babysitter to "never turn your back"

CBSTV VideosDecember 18, 2012

Adam Lanza's former babysitter Ryan Kraft remembers being instructed by Adam's mother Nancy to keep an eye on him at all times and never turn his back on the boy who recently killed 26 people at Sandy Hook Elementary School in Newtown, Conn. Brittney Hopper reports.