Without waste of anymore second, she came up with her own theory to get Joseph off the hook. In this theory, she made sure to implicate Mwithali to get him off their backs completely. This meant that Mwithali had to die no matter the cost. He was becoming a stump on their way to success. Although she had this figured out, she could not tell it directly to the King. It could either get her and Joseph exposed, else it could sound staged or vague.
She had to do it in such a way not to raise an alarm. She also needed to make sure that Joseph knew of her plan. Their talk and accusations towards Mwithali needed to match; else, it could mean disaster. This approach to the King needed to use facts such that, he was supposed to convince himself of Joseph’s innocence.
