Payback

This is the third book in a series.  The first two are Missing and Suspect.  Months after Kate Fairfax's father, Ron Raven, has disappeared and been presumed dead, her estranged boyfriend Luke Savarini claims he has seen Ron in a restaurant. Kate is angry and disbelieving at first but evidence points to the fact that Ron may have faked his death and disappeared on purpose.  She and Luke agree to work together to find out the truth about what really happened to Ron Raven.