20 Years Later, Trauma Lingers for Columbine Survivors

Twenty years ago this month, two students went on a shooting rampage at their high school, killing 13 people. The massacre at Columbine High School near Denver, Colorado, was the first mass school shooting and it shocked the nation. Many Columbine survivors suffered serious mental health problems and still struggle today with post traumatic stress and anxiety. VOA's Dora Mekouar reports from Littleton, Colorado.