Never has killing been an option, but humans were forced into a sinister experiment, which resulted in the changing of their reasoning into mechanized humans who are trained to become bloody assassins.
With each torturing procedure, Jack transformed into a monstrous killer wiping away every trace of humanity from him
"I agent 247 take an oath to kill and serve Mrs. Stella"
jack was forced to become one of the assassins unraveling an unhuman part of him