What Was Bobby Joe Long's 'Mark'?
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What Was Bobby Joe Long's 'Mark'?

Bobby Joe Long is a sexual sadist who gets pleasure from torturing and having control over his victims. His mark: using a leash to manipulate his victims until he is satisfied. Forensic psychologist Dr. Katherine Ramsland says that what is seen in Long's mark is "the use of an external object to control and humiliate [and] treat almost like a dog."

Season 2 Episode 7 - Videos