the man wore a gunshot - like vest under his clothes and a backpack containing a knives , an axe and a fake pistol . two other guns were found from the murdered scene . the prosecutor concluded that the man ' s profile was painted bright with blackened eyes as he committing the crime , thus led international media to have comparisons to the joker , the villain from the batman series . " i have a question , " the killers advised the first patient he found , after . he accidentally stabbed her , and started his rampage . two female day care worker failed to disarming the killer while police slammed the doors . the killer attacked employees trying to carry child to safer .
Joker appears in the Batman series.