Columbine High School massacre officers using this tactic are trained to move toward the sound of gunfire and neutralize the shooter as quickly as possible. Their goal is to stop the shooter at all costs; they are to walk past wounded victims, as the aim is to prevent the shooter from killing or wounding more. Dave Cullen has stated: "The active protocol has proved successful at numerous shootings...At Virginia Tech alone, it probably saved dozens of lives." After the massacre, many survivors and relatives of deceased victims filed lawsuits. Under Colorado state law at the time, the maximum a family could receive in a
Columbine High School massacre which is a sawn off, double-barreled shotgun. Rumors that the layout of the "Doom" levels Harris created resembled that of CHS circulated after the massacre, but appear to be untrue, though some still believe it. Harris spent a great deal of time creating a large WAD, named Tier (a song by Rammstein), calling it his "life's work." The WAD was uploaded to the Columbine school computer and to AOL shortly before the attack, but appears to have been lost. Eric David Harris (April 9, 1981 – April 20, 1999) was born in Wichita, Kansas. The Harris family relocated often, as