Lost contact with my best friend who was in prison and now he is released, is there any way I can find where he is now?

ZabaSearch:

Or if you wish, you can provide his full name, approximate age, last known state of residence, and which state he was incarcerated in and someone maybe able to assist you in your search.

How do I find someone that may still or be out of prison? Lost contact with them after they went in.