Very good film about a dog trained to attack black people, and the efforts of its new owner and a dog trainer to mend the pooch's ways. There is no way in hell a movie as in your face as this would ever get made today, it is not surprising it was practically buried back in the 80's, so hats off to Sam Fuller because this, although it has dated somewhat, still has the power to shock and entertain in its own unpleasant way.