Many press reports stated that the expert claimed the probability of Sally Clark being innocent as 1 in 73 million. Perhaps the jury and judge also interpreted the testimony this way. This probability...

Many press reports stated that the expert claimed the probability of Sally Clark being innocent as 1 in 73 million. Perhaps the jury and judge also interpreted the testimony this way. This probability can be written like as the probability of a mother is a son-murdering psychopath given that two of her children are found dead with no evidence of physical harm. According to Bayes’ rule, what is this?