Bomb threat empties Sandy Hook school on attack anniversary

This Friday- it will have been six years since a truly heartbreaking day in Newtown, Connecticut. 20 children and six adults were gunned down at sandy hook elementary school. that day has had a lasting impact on American life in so many ways - but behind the scenes it changed the way law enforcement and every day citizens approach these tragedies. Omar Jimenez was given rare access by the FBI to see first hand what some of those changes look like.