Innocent or Guilty

A forensic psychologist moves to Shipwreck Island and renews her relationship with Ezra Reinhold, a reclusive billionaire who enjoys poking around in cold cases and has the means to hire the best people to find the answers no one else has been able to. In book 8 in the series, a man is found floating in a raft is rescued by has no memory of who he is or how he ended up drifting at sea. Sydney is asked to work with the man in the hope of helping him remember. Syd begins to have some luck and is feeling downright hopeful, when the body of another man washes ashore. Might their circumstance be related? Might the man who was found in the raft either be the victim of, or killer of, the man who washed up on the beach?