[quote:fe11a]Cho left a long and vitriolic note in his dorm room, law enforcement sources told ABC News. It contains an explanation of his actions and states, "You caused me to do this," ABC News reported.
It also railed against "rich kids," "debauchery" and "deceitful charlatans" on campus, according to the Chicago Tribune.[/quote:fe11a]
http://www.cnn.com/2007/US/04/17/vtech. ... index.html