David Baldacci brings back Sean King and Michelle Maxwell - former Secret Service agents turned private investigators - in their most surprising. personal. and dangerous case ever... KING AND MAXWELL. It seems at first like a simple. tragic story Tyler Wingo. a teenage boy. learns the awful news that his father. a soldier. was killed in action in Afghanistan. Then the extraordinary happens:.. Tyler receives a communication from his father ... after his supposed death.Tyler hires Sean and Michelle to solve the mystery surrounding his father. But their investigation quickly leads to deeper. more troubling questions. Could Tylers father really still be alive What was his true mission Could Tyler be the next target