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
Massacre at Central High was released theatrically as Blackboard Massacre. It was shot on 35mm film, and had a running time of 87 minutes. The film's director, Rene Daalder, described "Massacre at Central High" as "eerily predicting punk and Columbine". It has also been cited as an influence on the 1988 black comedy "Heathers". David (Derrel Maury), a new student at Central High, meets Mark (Andrew Stevens), an old friend whom he once helped out of a jam at their previous school. Mark tells David that the school can be like a country club for him if he befriends Bruce (Ray Underwood), Craig (Steve