05/24/2010 05:12 am ET Updated May 25, 2011

Inside A Global Cybercrime Ring: Big Bonuses, College Kids, And Paintball

Hundreds of computer geeks, most of them students putting themselves through college, crammed into three floors of an office building in an industrial section of Ukraine's capital Kiev, churning out code at a frenzied pace. They were creating some of the world's most pernicious, and profitable, computer viruses.

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