In November 2007 , Pekka-Eric Auvinen imitated Columbine with a shooting in Jokela in Tuusula , Finland . He wore a shirt which said " Humanity is Overrated " . In December 2007 , a man killed two at a Youth with a Mission center in Arvada , Colorado and another two at the New Life Church in Colorado Springs before killing himself . He quoted Harris prior to the attack under the heading " Christianity is YOUR Columbine "
killed two
2007 Colorado YWAM and New Life shootings
The Columbine Effect