Commander of RAINBOW counter-terrorism team. American. No information available on date or place of birth, education, or military experience. Recruited by American Central Intelligence Agency (CIA), 1970. During his time with the CIA Clark has taken part in numerous covert operations including both intelligence gathering and direct action. In the late 80's was involved with U.S. narcotics interdiction efforts in South America. Part of the team that apprehended the terrorists responsible for the Denver, Colorado atomic detonation in 1989. Since 1991 has worked primarily in Japan and the Middle East. Details of these more recent operations are sealed. Has a wife, Sandra, and two daughters, Maggie and Patricia.