another of sharkey's books is "above suspicion", the story of fbi agent mark putnam, who murdered his mistress in an eastern kentucky mining town. in "suspicion", sharkey implicitly condemned the fbi for encouraging the use of paid informants. a movie adaptation of above suspicion starring emilia clarke and jack huston and directed by phillip noyce, was released in 2019. his book "deadly greed," which has been optioned for a feature film, explored the sensational 1989 boston killing, in which charles stuart fatally shot his pregnant wife carol and caused racial tensions by accusing a black man of the crime.