Hacker News Reader

ALdrich Ames passed a couple of polygraphs.

They only got him because other sources implicated him, and because his finances were notably out of whack for a government employee.

https://en.wikipedia.org/wiki/Aldrich_Ames

To the best of my knowledge, Ted Bundy was never polygraphed. You are correct about the Green River Killer (Gary Leon Ridgway) and the innocent man (Melvin Foster):

https://antipolygraph.org/cgi-bin/forums/YaBB.pl?num=1067927...

I've heard that they're not very useful with true sociopaths because they require you to be uncomfortable with lying.

Even then, unless they are coupled with a comprehensive psychological evaluation that could identify sociopathy, they could not be considered a useful tool (generously assuming that they have any truth-discerning usefulness to begin with).