I'd go with a toss up between Susan Atkins and Leslie Van Houten. I'd have to see some rear view pics to make a proper determination. There were other bitches in the family that I'd rather bone, but as far as serial killers, its one of them two.
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Thinking of cracked-out and/or tweaking whores getting their throats and asses brutalized for the next hit makes me hard. --Rear Admiral