For their final collaboration, Umberto Lenzi directs his own razor-sharp screenplay while Tomas Milian delivers a brilliant dual performance reprising the roles of scheming lowlife 'Monnezza' as well as his twin brother, the sociopath 'Il Gobbo'. It's a potent odyssey of armed robberies, double crosses, insane asylums and some of the most startling pathos and politics in the history of the genre.
IMDb 6,5/1019781 h 39 min 
