[G Larry]

"the most damaging spy in US history"

Ya, not even close....Hanssen and Aldrich Ames were much worse.

[rxh4n1]

“the most damaging spy in US history”
Ya, not even close....Hanssen and Aldrich Ames were much worse.

Maybe the Awan brothers, but we’ll never know for sure as it was all covered up. The Walker family spy ring is another contender.