Sleeper agents, I think they're called. They used to be termed "sleepers" in the Cold War, anyway. Somebody would infiltrate a certain ring (say, back then, a KGB agent working in the CIA), and actually live as part of that ring, actually become it, until one day they'd be notified of what they had rehearsed years and years before.
It takes a lot of determination and patience to be one, I imagine. I know I could never be one.
...dot com bold typeface rhetoric. You go clickety click and get your head split. 'The hell you look like on a message board Discussing whether or not the Brother is hardcore?
