Original sentence: Finally, the details of insider trading can be highly confusing to non-experts and convincing a randomly-selected jury, many with no experience of share trading, that a crime has been committed can be difficult
Edited sentence: Finally, the details of insider trading can be highly confusing to non-experts and convincing a randomly-selected jury (an obvious drawback of trial by jury), many with no experience of share trading, that a crime has been committed can be difficult