8. Hadden Clark
A schizophrenic cross-dressing cannibal serial killer, because this list could not get weirder, Hadden Clark was convicted of the murder of two people in 1992, Michelle Dorr, aged 6 and Laura Houghteling, aged 23. Maryland police have said that he told an inmate of killing several women throughout his life. Clarke stated that after he had killed Michelle, he ate part of her remains and then he buried her.
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