Blood Money by Thomas Perry

Teenager Rita Shelford needs a new identity. She contacts Jane Whitefield, who retired from helping people disappear in order to devote more time to her husband, Carey. Rita was a maid in Florida working in the home of mobster Bernie "the Elephant." Bernie was responsible for squiring away money for mob families all around the country for many years. The mobsters think Bernie has been killed, but he's still alive and is plagued by memory problems. He and Jane hatch a plan to give away all the billions to charity. When the mob suspects that their riches are being diverted, it makes them even more determined to find Rita. Will Jane be able to keep Bernie and Rita safe? Blood Money is the fifth book in the Jane Whitefield series.