When one is stabbing to death another, they might look around and realize what a what they have made?\nOptions:\n- bleeding\n- knife\n- gruesome\n- killing\n- mess
A step-by-step solution is:
mess
Mess can be done by people while fighting.

When one is stabbing to death another, they might look around and realize that they have made a mess.

.

So, the answer is mess