In films murders are always very clean. I show how difficult it is and what a messy thing it is to kill a man.

" "Well" says the first man "what's a Macguffin?" The other answers "It's an apparatus for trapping lions in the Scottish Highlands. Ignatius to study at the London County Council School of Engineering and Navigation in Poplar London. As an early 'talkie' the film is often cited by film historians as a landmark film and is often considered to be the first British sound feature film.

Many of the mysteries however are used as decoys or "MacGuffins" that serve the film's themes and the psychological examinations of the characters. Through his cameo appearances in his own films interviews film trailers and the television program Alfred Hitchcock Presents he became a cultural icon. He pioneered many techniques in the suspense and psychological thriller genres.