Psycho

hotel clerk detective shower arizona motel halloween stolen money alter ego taxidermy money murder secretary serial killer slasher psychological thriller black and white corpse murderer theft overbearing mother stabbing mental illness private detective missing person split personality psycho voyeurism voyeur oedipus complex double identity abusive mother dual personality proto-slasher multiple personality disorder mother son relationship birds anxious dramatic motel owner woman on the run corruptibility confused identities human vulnerabilities gloomy man with female alter ego