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
Troy High School (California) Officer. The Fullerton Police Department investigated further and detained two of the three students. They reportedly "served warrants at multiple locations in Anaheim" and found no weapons, but did discover internet research on “school shooting topics, including weaponry” from as soon as the day of the soccer game. The two boys were released from the Orange County Juvenile Hall later that day. The boys described their plan as being “bigger than Columbine,” referencing the 1999 Columbine High School massacre, the deadliest high school shooting in America's history. The case has now been closed and both boys were found innocent. However,