Born and Raised in New York city around a bunch of criminals and druggies he worked with some of the criminals running drugs and collecting money when one day he saw some of his coworkers kill a young boy and he decided that he wanted a new life and to help people so he decided to help the people of chernarus recover after the civil war. While there he watched as people were starting to get eaten by the undead. His parents were killed as retaliation for him leaving. He vowed that he would get revenge but getting off of chernarus seems impossible. Nothing is impossible for big jimmy though.