This is a shocker (no pun intended), but oddly enough, Lon Chaney Jr. just about manages to carry it off - despite the totally ridiculous premiss. He is a man sent to the gallows cursing vengeance on those who betrayed him after they robbed an armoured van. Following his death the body is given to "Prof. Bradshaw" (Robert Shayne) who manages, using huge amounts of electricity, to not only resuscitate him but to burn out his vocal chords and make him all but indestructible. A bit narked, off the newborn critter goes on his mission of revenge being chased by the rather unlikely named police…