The Columbine effect is the legacy and impact of the Columbine High School massacre, which occurred on April 20, 1999 at Columbine High School in Columbine...

The Columbine High School massacre, commonly referred to as Columbine, was a school shooting and attempted bombing that occurred on April 20, 1999, at...

Columbine High School (CHS) is a public high school in Columbine, Colorado, United States, in the Denver metropolitan area. It is part of the Jefferson...

school seniors who perpetrated the Columbine High School massacre at Columbine High School on April 20, 1999 in Columbine, Colorado. Harris and Klebold killed...

(Hachette Book Group) on April 6, 2009. It is an examination of the Columbine High School massacre, on April 20, 1999, and the perpetrators Eric Harris and Dylan...

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...

recovery. He was one of the most well-known survivors of the Columbine High School massacre, both in its immediate aftermath and in post-event commentary...

for the Columbine High School massacre in 1999 and other acts of gun violence. He focuses on the background and environment in which the massacre took place...

had been obsesssed with Adolf Hitler and was inspired by the Columbine High School massacre and the Realengo school shooting. The police investigation stated...

and, inspired by the Columbine High School massacre, they hoped the attack would draw more attention than the Columbine massacre. According to some reports...