WASHINGTON (AP) — A former manager with the U.S. Army Corps of Engineers was sentenced to more than 19 years in prison Thursday for orchestrating a $30 million bribery and kickback scheme that authorities called historic in scope.

U.S. District Judge Emmet Sullivan called Kerry F. Khan’s conduct, which included wiretapped conversations about a planned sexual encounter with a teenage girl and the assault of his mistress by an associate in the Philippines, “shocking, vicious and cruel.” The judge imposed a sentence four years longer than what prosecutors had recommended.