Does virtual reality need a sheriff?
 

*Source: MSNBC (http://www.msnbc.msn.com/id/18992609/)*
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As recent advances in Internet technology have spurred millions of users to build and explore new digital worlds, the creations have imported not only their users' dreams but also their vices. These alternative realms are testing the long-held notions of what is criminal and whether law enforcement should patrol the digital frontier.

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