For the Central Intelligence Agency, he was a catch: an American citizen who had grown up overseas, was fluent in Mandarin and had a master's degree in his field. He was working in Silicon Valley, but after the terrorist attacks of Sept. 11, 2001, he wanted to serve his country.
The analyst, who declined to be named to shield his association with the CIA, was hired in 2005 into the agency's Directorate of Intelligence, where he was assigned to dig into Chinese politics. He said he was dismayed to discover that unimpressive managers wielded incredible power and suffered no consequences for mistakes. Departments were run like fiefdoms, he said, and "very nasty internecine battles" were a fixture.