Eric Harris and Dylan Klebold Eric Harris and Dylan Klebold Eric David Harris (April 9, 1981 – April 20, 1999) and Dylan Bennet Klebold (; September 11, 1981 – April 20, 1999) were two American mass murderers who killed 13 people and wounded 24 others armed with firearms, explosives and knives on April 20, 1999, at Columbine High School in Columbine, Colorado. They were twelfth grade (senior) students at the high school. The shooting rampage came to be known as the Columbine High School massacre. Harris and Klebold committed suicide in the library, where they had killed 10 of their victims. Harris was born in
Columbine High School massacre in the shooting. The Columbine shootings influenced subsequent school shootings. Many school shooting plots mention it. Shortly after, a rash of copycat threats led to the closing of entire districts. One arrested student boasted he could "outdo" its number of casualties. The first copycat may have been the W. R. Myers High School shooting, just 8 days later, when a 14-year old Canadian student went into his school at lunchtime, with a sawed-off .22 rifle under his dark blue trench coat, and opened fire, killing one student. A month after the massacre, Heritage High School in Conyers, Georgia had a