Columbine High School massacre "Christianity is YOUR Columbine". In a self-made video recording sent to the news media by Seung-Hui Cho prior to his committing the Virginia Tech shootings, he referred to the Columbine massacre as an apparent motivation. In the recording, he wore a backwards baseball cap and referred to Harris and Klebold as "martyrs." Adam Lanza, the perpetrator of the Sandy Hook Elementary School shooting had "an obsession with mass murders, in particular the April 1999 shootings at Columbine High School in Colorado." The perpetrator of the Emsdetten school shooting praised Harris in his diary. In November 2007, Pekka-Eric Auvinen imitated Columbine
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