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
Columbine High School massacre departing Columbine for their lunch break observed Brown heading down South Pierce Street away from the school. Meanwhile, Harris and Klebold armed themselves, hiding weapons beneath black trench coats with straps and webbing, and carrying backpacks and duffel bags filled with pipe bombs and ammunition. Harris also had his shotgun in one of the bags. Beneath the trench coats, Harris wore a white T-shirt which read "Natural Selection" in black letters, as well as a homemade bandolier; Klebold wore a black T-shirt which read "Wrath" in red letters. They climbed to the top of the outdoor steps which led up