 The music was composed by Ennio Morricone.The plot follows a psychological cat-and-mouse game between a corrupt police officer (Keitel) and a disturbed young man (Lydon) against the backdrop of a rash of serial killings,

The film was shot on-location in New York City and at Cinecittà Studios in Rome between March and April, 1982.It is Lydon's only starring role in film to date.