That access, along with the almost three years he spent around CIA officers, led him to begin seriously questioning the rightness of what he saw.
He described as formative an incident in which he claimed CIA operatives were attempting to recruit a Swiss banker to obtain secret banking information. Snowden said they achieved this by purposely getting the banker drunk and encouraging him to drive home in his car. When the banker was arrested for drunk driving, the undercover agent seeking to befriend him offered to help, and a bond was formed that led to successful recruitment.
"Much of what I saw in Geneva really disillusioned me about how my government functions and what its impact is in the world," he says. "I realised that I was part of something that was doing far more harm than good."