An old expression is$,$The fox is guarding the henhouse.$$ Foxes prefer a tasty meat$-$based meal, so if you put the fox in charge of keeping the chickens safe, they will be strongly tempted to eat the chickens and then fill out a report saying the cat next door did it$.$ Relate this expression to why we need independent and unbiased auditors.Include a list of sources you've used at the bottom of your post, using more than just web addresses$/$URLs$.$