Mr. Ricco

Mr. Ricco is a 1975 crime drama film directed by Paul Bogart and starring Dean Martin in his last leading film role, along with Eugene Roche, Denise Nicholas and Cindy Williams.

Two police officers are then gunned down. An eyewitness, the young son of a friend of Riccos, identifies Steele as the man he saw leaving the scene of the crime.Ricco is a lonely widower. He has a loyal secretary Cindy Williams and a dog. His closest friend is George Cronyn Eugene Roche, the detective in charge of the case. Cronyn is irate that Steele got away with killing a woman, Mary Justin, resulting in the deaths of two of his fellow officers. ........

Source: Wikipedia