Columbine High School
Aug 13, 2013 — Frank DeAngelis helped shepherd students to safety during the shootings in 1999. The tragedy took a toll on DeAngelis but he promised the students he would stay.
Apr 16, 2013 — The Oklahoma City bombing, the Columbine school shootings and the Chernobyl nuclear disaster are among the infamous and sometimes horrific moments that have occurred during the month of April.
Jul 20, 2012 — Friday's rampage that killed at least a dozen people in the city of Aurora marks the state's worst mass shooting since Columbine in 1999.
Apr 26, 2011 — Earl Albert Moore, 65, was taken into custody at a supermarket. He was wanted in connection with the discovery of an explosive device at a mall near Columbine High School. It was found on the 12th anniversary of the shootings at that school.
Apr 22, 2011 — He is now a possible "suspect," not just a "person of interest," the FBI says. Wednesday, on the 12th the anniversary of the Columbine High School shootings, a pipe bomb was found in a shopping mall two miles away.
Apr 21, 2011 — Authorities say they want to speak with a "person of interest" who was seen in a mall where a pipe bomb and propane tanks were discovered Wednesday.