the attacker maintained a bullet - proof vest under his clothes and a backpack containing a knife , an axe and a fake pistol . two other men were seen near the crime scene . the prosecutor concluded that the woman ' s face was painted scarlet with blackened eyes as he conducted the crimes , that led international stories to make comparisons to the joker , the villain from the titans show . " i have a question , " the killer told the first employee he encounters , after which he immediately stabbed her , and started his rampage . one woman day service resident attempted to disarm the woman while others locks the cages . the killer shot officers attempted to carrying children to safety .
Joker appears in the Batman series.