Less than a week ago, Kansas City Chiefs player Jovan Belcher killed his girlfriend and mother of his three-month-old daughter before killing himself

The horrifying event kickstarted a discussion about the causes of Belcher's horrific act, with commentators quickly pointing to various factors - head injuries, football's macho culture, guns - as the real triggerman in a senseless act of violence.

Reason TV's Kennedy has a different take: Jovan Belcher is responsible for the killings.

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