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
Littleton, Colorado became widely known in 1999 when the Columbine High School massacre occurred at Columbine High School. News media reported that the incident happened in the city, because the school’s ZIP code is primarily associated with Littleton. The school is actually located in adjacent Columbine, an unincorporated community, which is not a place name accepted by the U.S. Postal Service; by default, locations in ZIP code 80123 use “Littleton” in their mailing addresses. Columbine High School is in the Jefferson County school system and is not one of the Littleton Public Schools. Littleton is located at (39.599691, −105.010929) at an elevation