To a man, all the suspects listed in the Garrity Hoffex memo pushed what I call the Miranda mute button on the remote. They each refused to allow the FBI to ask any questions. Bob Garrity and the FBI, using informants, knew whodunit, but had no way to penetrate the stone wall of silence to learn who done what. And so the Bureau mercilessly pursued those on the list for whatever else, however unrelated, they could get on them.
