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
Kerch Polytechnic College massacre to serial killers. Surveillance footage of the incident shows Roslyakov wearing black trousers and a white T-shirt emblazoned with the Russian word "НЕНАВИСТЬ" (hatred) as he carries an eight-shot 12 gauge Hatsan Escort Aimguard pump-action shotgun with a pistol grip. His clothing resembles that of Eric Harris, one of the perpetrators of the 1999 Columbine High School massacre, leading to speculation that the massacre was a copycat crime. According to some Russian tabloids, he had been a member of various Eric Harris and Dylan Klebold fanclubs on social networks, and had informed friends of his belief "it would be good