Shadow Woman by Thomas Perry

Pete Hatcher is Jane Whitefield's last client. She has decided to give up helping people disappear and focus on being Carey McKinnon's wife. Pete is being followed because of information he has about a Las Vegas casino-- and the owners have authorized someone to take Pete out. Earl Bliss and Linda Thompson are the hired killers, and they enjoy the thrill of the hunt. A couple of months after he disappears, Pete calls Jane begging for her help again, after Earl and Linda find him. Jane agrees to help Pete, despite missing Carey. Will Jane be successful this time in making Pete disappear into his new identity? Shadow Woman is the third book in the Jane Whitefield series.