Your sim will never feel regret after killing someone and it will stay happy all the time. Except for the grim reaper anytime, you can kill anybody using this mod because that makes all dead sim stuck. In murder mod sims 4from the stabbed area of sim blood will come out and will have stab wound. This mod also contains sound, voices, effects and lip syncing. Interactions are fully manual and your sim will never do anything without user direction. This sims 4 serial killer mod is a custom script so it may not conflict with any other mods or it does not override interactions or animation in the game. You can download any from given mods below. Some cool Sims 4 murder mod is given here with proper information about them. Sim 4 murder mod is a very mature type of mod.
