The new short story from Karin Slaughter and Lee Child! Jack Reacher and Will Trent  Twice the action. Twice the drama. Double the trouble.  Will Trent is undercover at Fort Knox. His assignment: to investigate a twenty-two-year-old murder.  His suspect's name: Jack Reacher. Jack Reacher is in Fort Knox on his own mission: to bring down a dangerous criminal ring operatin...