» Subscribe to NowThis World: Edward Snowden, a hero to some and a traitor to others, has gained prominence for his leak of government data. So how did he gain access to these documents, and what's happened to him now? Learn More: The Great SIM Heist: How Spies Stole The Keys To The Encryption Castle “The breach, detailed in a secret 2010 GCHQdocument, gave the surveillance agencies the potential to secretly monitor a large portion of the world's cellular communications, including both voice and data.“
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