The Punisher is a Marvel Comics character at least three decades old. The character is transformed overnight from a Marine veteran into bloodthirsty vigilante when his family is killed by mobsters. The similarities I would draw in temperament and actions - The Punisher seeks to kill those he deems to be criminals. He executes them on the spot with impunity. The Punisher acts as judge, jury and executioner, and he is remorseless. Sound familiar?
Note the gloves and dual hand guns in this picture:
This final image seems telling in that the Punisher is wearing a tan-colored vest with ammunition strapped to it, and stands with his back facing the wall, much as the killer appears in the pictures he took of himself: