Dead Man Walking - Simon R. Green - Bog

"Ishmael Jones is called in to solve the mystery of a rogue secret agent who came in from the cold to spill all he knew, only to end up murdered in detention. Then his body goes missing. Then other people start dying. Has the murdered agent risen from the dead to get his revenge? How can all this be happening in one of the most secure interrogation centers? As Ishmael and his partner Penny dig deeper into what's really going on, secrets are revealed and horrors are uncovered, but so many people are dying they have to wonder if anyone will be left to reveal the answer to"--