Table of Contents
What on Earth could motivate someone, someone like Dylann Roof and Kip Kinkel, to start murdering aspeople? Are those who go on killing sprees actually insane? Does it matter?

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- Photo courtesy of peretzp via Flickr: www.flickr.com/photos/ifl/16103337050
- Photo courtesy of Keith Allison via Flickr: www.flickr.com/photos/keithallison/5741994079
- Photo courtesy of emmacraig1 via Flickr: www.flickr.com/photos/98925031@N08/9571827657
- Infograohic by SteadyHealth
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- fox6now.com/2015/07/20/he-was-found-guilty-on-all-counts-but-will-insanity-defense-save-james-holmes-life/
- gavindebecker.com/resources/child_safety/warning_signs_of_student_violence/
- en.wikipedia.org/wiki/Running_amok
- www.abc.net.au/news/2012-07-22/forensic-psych-on-violent-minds/4146324
- www.cbc.ca/news/canada/manitoba/vince-li-man-in-bus-beheading-granted-unsupervised-passes-to-winnipeg-1.2976618