With 7.6 million subscribers, more people play the multiplayer online game World of Warcraft than live in the state of Massachusetts. According to NSA documents disclosed by former contractor Edward Snowden, at least some of those slaying dragons on World of Warcraft are posing as elf mages and dwarf warriors, but are actually American and British spies. The leaked NSA docs identified Worlds of Warcraft, Second Life and some Xbox games as a potential “target-rich communication network” allowing suspects “a way to hide in plain sight. The snarky comments following the leak charge intelligence agents as just wanting to play video games. Joining me now to talk about this discovery is Mark Mazzetti, who covers national security for the New York Times, and reported on the strategy.