Frenzy actual London serial murder cases: the Christie murders in the early 1950s, and the Jack the Ripper murders in 1888. Barry Foster has said that, in order to prepare for his role, he was asked by Hitchcock to study two books about Neville Heath, an English serial killer who would often pass himself off as an officer in the RAF. "Frenzy" was the third and final film that Hitchcock made in Britain after he moved to Hollywood in 1939. The other two were "Under Capricorn" in 1949 and "Stage Fright" in 1950 (although there were some interior and exterior scenes
The Man Who Knew Too Much (1934 film) New York on 21 March 1935. Contemporary reviews were positive, with C.A. Lejeune of "The Observer" stating that she was "happy about this film [...] because of its very recklessness, its frank refusal to indulge in subtleties, to be the most promising work that Hitchcock has produced since "Blackmail"". "The Daily Telegraph" referred to it as a "striking come-back" for Hitchcock, while the "Daily Mail" stated that "Hitchcock leaps once again into the front rank of British directors". "The New York Times" praised the film as the "raciest melodrama of the new year", noting that it was "excitingly written" and