Stop At Nothing

When a private jet crashes into the Caribbean sea, diving instructor Michael Gannon is the only person on the scene. Finding six dead men and a suitcase full of cash and diamonds, Gannon assumes he's the beneficiary of a drug deal gone wrong. However, it seems one of the passengers was the Director of the FBI - despite the official story that he died of natural causes in Italy ... For fans of Lee Child, David Baldacci and James Patterson.