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2. (1992) Linking criminal careers and crime-specific behaviour to neuropsychological impairment. Unpublished MSc thesis, University of Surrey.
3. Neuropsychological deficits, learning disability, and violent behavior.
4. (1976) The Mask of Sanity, 5th edn. St Louis, MO: Mosby.
5. The Role of Criminal Fantasy in Predatory and Opportunist Sex Offending