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
She Said Yes: The Unlikely Martyrdom of Cassie Bernall She Said Yes: The Unlikely Martyrdom of Cassie Bernall She Said Yes: The Unlikely Martyrdom of Cassie Bernall is a memoir by Misty Bernall about the life of her daughter Cassie Bernall who was killed during the Columbine High School massacre on April 20, 1999. The book was published by Plough Publishing and released on September 1, 1999. The book spent five weeks on the New York Times Best Seller List, peaking at No. 8. The book was published a little over four months after the death of Cassie Bernall in the Columbine High School Massacre. The book details the