That’s hard. Real hard. I can’t say what atonement would look like, that’s maybe therapist territory, but I can say that it’s OK to protect yourself. You can’t change the past and undo the hurt you did. I don’t see anything wrong with avoiding people you have hurt after you apologize.
Sorry to come with “um, ackshuslly” but they didn’t ask if they were convicted of a crime. The question was "were they jailed? And according to your post, they were not.