Here the metaphor breakdown for a very simple reason: crimes are crimes and not crimes are not crimes. the villain part is irrelevant. If $hero/heroine wants t

Here the metaphor breakdown for a very simple reason: crimes are crimes and not crimes are not crimes. the villain part is irrelevant. If $hero/heroine wants to buy an hammer to smite $villain, the hardware store is in the same situation: protect your safety and call the police.