Legally Dead by Edna Buchanan - In this stand alone novel by one of my favorite mystery authors Michael a U.S. Marshal with the witness protection program becomes disillusioned after several young girls are killed. He quits his job and moves to Florida looking for meaning and purpose. He finds it when he helps a deserving man flee his horrible life and start over. Now though Michael's witnesses are dying and someone is pointing the finger at him. Who hates him that much? This is a fast paced adventure with lots of action.