Yes, you can find him in the public version, too. After you find him at the Banger's Club and at the beach, he randomly shows up in the restrooms at the harbor in Shiptown. Just leave and re-enter until there's a pink '4' above the right stall door, and then enter the middle one. After that, he's in the last prison cell on Pine Island. If you got more questions like that, you can check the walkthrough