Find good speech therapy. It sounds like you're a covert stutterer. I think it's great you went back and want to go to law school. I know a couple stuttering lawyers and there are probably some on here. If you continue to try to hide it, I think you're going to have an extra rough time. You need to be able to say everything you want to say and hiding your stutter won't really let you do that. Prioritize finding good speech therapy. Someone who will help you work to speak comfortably and confidently, whether you're stuttering or not. Yes, you can be a great, competent lawyer and still stutter.