User blog comment:Gogogadget831/Total Drama Theory - Has Chris's Behavior on the Show Gone Too Far?/@comment-25270260-20151106204629/@comment-5305007-20151106215712

yeah, I heard it too. and combined with the fact that Chris hates teenages, my theory is that Chris saw one of his relatives (most likely a sister) being brutally murdered by a gang of teenages.

but even if that was the case, it still wouldn't justify his actions on the show.