Security cameras caught the craigslist killer in Boston. His friends say that he seemed normal. This brings up the question: How do you really know someone? The perceived notion of anonymity gives comfort to some and fear to others. When one can’t trust their friend or neighbor, how do we give so much trust to strangers?
[youtube=http://www.youtube.com/watch?v=UcTaA2Fa658&w=425&h=344]

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