Edward Snowden, NSA files source: ‘If they want to get you, in time they will’Edward Snowden was interviewed over several days in Hong Kong by Glenn Greenwald and Ewen MacAskill. Q: Why did you decide to become a whistleblower? A: “The NSA has built an infrastructure that allows it to intercept almost everything. With this capability, the vast majority of human communications are automatically ingested without targeting.