One day while smashing up some big family's kitchen and laughing at them after setting some toothless old man on fire with kerosene and a OFTL lighter things go bad. A little eight year old kid has a grenade and he jumps into the room with the thing in this hands it goes off. You jumped behind a counter but your injury's are severe. Your buddies all died and you nearly died too.
After months of recovery you are declared unfit for standing army service but a loop hole lets you join special Opps as a torturer. They consider that your experience will make you crueler. They are right.