Hell Hole (John Ceepak Mysteries)

Hell Hole is the fourth book in the mystery series featuring former hardened military PD and current Sea Haven, NJ police officer John Ceepak and his partner, wise-cracking Danny Boyle. In Hell Hole, Ceepak is confronted with his most personal case yet when he must investigate the alleged suicide of a military corporal who recently returned from  Iraq. When it turns out that this "locked stall" rest stop suicide is anything but an open-and-shut case, Ceepak and Boyle realize that the corporal might have been privvy to information that opens up a much larger conspiracy that strikes at the heart of our involvement in the Middle East, and puts them on the wrong side of some very unpleasant people...