and Herse]]In clinical psychology, voyeurism is the sexual interest in or practice of spying on people engaged in intimate behaviors, such as undressing, sexual activity, or other activity usually considered to be of a private nature.Hirschfeld, M. (1938). Sexual anomalies and perversions: Physical and psychological development, diagnosis and treatment (new and revised edition). London: Encyclopaedic Press.Smith, R. S. (1976). Voyeurism: A review of the literature. Archives of Sexual Behavior,