LITTLETON, Colo. - A Colorado community will mark the 20th anniversary of the attack on Columbine High School on Saturday with community service projects and a ceremony remembering the 13 people killed by teenage gunmen. In the two decades since the Columbine High School massacre, therapists still struggle with how to help people cope. ( Thomas Peipert, File / AP Photo ) A patrol car is parked in front of Columbine High School, Wednesday, April 17, 2019, in Littleton, Colo., where two student killed 12 classmates and a teacher in 1999. School security has become a multibillion-dollar industry, adding specialized doors, surveillance video and other technology. They said she had not made specific threats but dozens of schools, including Columbine, locked their doors Tuesday.

Source: thestar April 20, 2019 04:30 UTC