Ian Torrance has us all in a Frenzy with the 1972 Hitchcock classic. The film, about a London serial killer known as the "Necktie Murderer", is loosely inspired by real life English killer John Reginald Christie.Frenzy was the second-to-last film of Hitchcock's career, and evoked memories of his early classics. Was it a return to form for the Master of Suspense?