Desc: Assassinio sul Tevere: Directed by Bruno Corbucci. With Tomas Milian, Marina Ripa di Meana, Roberta Manfredi, Alberto Farnese. A black-out occurs during the meeting of a gang of criminals. When the light is back one of them is found killed with a stab on his back and all the clues point to a penniless man who had an argument with the victim a short time before the murder.