beating   stabbing   convenience store   serial killer   police corruption   blood   elevator   crying   corruption   call girl   cabin   rage   dismemberment   gore   fight   aquarium   hammer   money   impotence   regret   golf club   based on true story   anger   one day   crash   interrogation   pimp   disappearance   social commentary   prosecutor   prisoner   antihero   tragic ending   police protection failure   bludgeoned to death   team   ex cop   chisel   disgraced cop   seoul   salute   fake   unjust system   criminal activity   footage   left alone   photographs   rank   request   unintentional kill   betrayal   death   murder   brutality   fear   foot chase   knife   one word title   moral dilemma   blood splatter   violence   severed head   watch   gun   race against time   promotion   police   victim   shot in the head   fury   threat   prison