Clyde Lee Conrad (1948 – January 8, 1998) was a U.S. Army non-commissioned officer who, from 1974 until his arrest on August 23, 1988, sold top secret classified information to the People's Republic of Hungary, including top secret NATO war plans. He was convicted of espionage and high treason in a German court in 1990, and was sentenced to life imprisonment. Graduated from Sebring Mckinley High School in Sebring, Ohio. He was a member of and a letterman in both track and rifle, and was known as being quiet and a good student. Espionage.
https://en.wikipedia.org/wiki/Clyde_Lee_Conrad