Agents also infiltrated the then-popular online roleplaying game Second Life, where undercover agents tried to recruit informants amid concerns that its unregulated economy could be used to launder money. Since the number of undercover agents was so high, per the leaked documents, the agencies involved — including the CIA and FBI — had to ensure they didn't step on each other's toes and pursue the same leads.
mashable.com/2013/12/09/nsa-gchq-world-of-warcraft-games/
