http://videogames.yahoo.com/events/plugged-in/warcraft-helps-catch-a-crook/1383804
"“We received information that this guy was a regular player of an online game, which was referred to as ‘some warlock and witches’ game,” he told The Perspective. “None of that information was sound enough to pursue on its own, but putting everything we had together gave me enough evidence to send a subpoena to Blizzard Entertainment. I knew exactly what he was playing — World of Warcraft.
Blizzard played ball, giving up Hightower's account history, IP address, screen name, billing address and preferred game server. One Google Earth search later, and Canadian authorities had apprehended Hightower in Ottowa, Ontario."