Swann's Last Song — Charles Salzberg

Skip tracer Henry Swann cares little about anything but money, so when a beautiful Upper East Side woman shows up in his office and hires him to find her missing husband, he smiles and takes the cash. But when this seemingly simple missing-person case turns into homicide, Swann finds himself trapped in a complex web of connections and multiple identities that takes him out of New York City and across two continents.