Sleeper Agent

A sleeper agent is a spy who is placed in a target country or organization, not to undertake an immediate mission, but rather to act as a potential asset if activated. Sleeper agents are popular plot devices in fiction, in particular espionage fiction and science fiction.

Read more about Sleeper Agent:  Sleeper Agents in Espionage, Fictional Sleeper Agents

Famous quotes containing the word agent:

    ... in doing our psychology, we want to attribute mental states fully opaquely because it’s the fully opaque reading which tells us what the agent has in mind, and it’s what the agent has in mind that causes his behavior.
    Jerry Alan Fodor (b. 1935)