https://youtu.be/b7oRGt5-pkM?si=fPHYNZdqgiTeM_Ea The fox guarding the hen house describes a set of circumstances in which someone who should not be trusted has been chosen to protect someone or oversee a situation. The choice involves someone directly unsuitable for the task, such as choosing a bank robber to guard a bank. https://youtu.be/wtS4xcgPYJ0