The Rosary Murders is a 1987 neo-noir mystery film starring Donald Sutherland as Father Koesler, based upon the novel by William X. Kienzle. Kienzle received screenplay credit, as did Elmore Leonard.The story involves a series of murders in which the victims are all either Roman Catholic priests or nuns, each of whom is found with a black rosary. Father Koesler goes in search of the murderer but is caught in a quandary when the murderer confesses the crimes to him.