In 1986, he was hired by then-U.S. Representative [[Dick Cheney]] to work on the [[Iran-Contra]] Investigation. After that he worked as a prosecutor with the [[U.S. Department of Justice]] in Washington D.C. In 1990, Buck joined the Colorado U.S. Attorney's Office where he became the Chief of the Criminal Division. Throughout his years in Colorado, he has served as an instructor at the University of Denver Law | In 1986, he was hired by then-U.S. Representative [[Dick Cheney]] to work on the [[Iran-Contra]] Investigation. After that he worked as a prosecutor with the [[U.S. Department of Justice]] in Washington D.C. In 1990, Buck joined the Colorado U.S. Attorney's Office where he became the Chief of the Criminal Division. Throughout his years in Colorado, he has served as an instructor at the University of Denver Law |