hour episode of the TV series _"Danger" (1950)_ (qv). Cavanaugh  also wrote at least five episodes of  _"Alfred Hitchcock Presents" (1955)_ (qv), including two directed by  Alfred Hitchcock (I) (qv), and was the first writer to adapt  Robert Bloch (qv)s novel of _Psycho (1960)_ (qv) for Hitchcocks  production. However, his script was jettisoned in favor of the  Joseph Stefano (I) (qv) adaptation.