Hitchcock Chronology: Anthony Berkeley
- Alma and Joan Harrison complete an initial treatment of Francis Iles' 1932 book Before the Fact. Screenwriter Samson Raphaelson then spends the next 5 weeks fashioning the full script for what would become Suspicion. Raphaelson would later recall it as being "the easiest and most pleasant" experience he had working in the film industry.
- 11th - Hitchcock records a pilot episode of a proposed series titled Once Upon a Midnight, an adaptation of Anthony Berkeley's 1931 novel, Malice Aforethought.
- Alfred Hitchcock: A Life in Darkness and Light (2003) by Patrick McGilligan, pages 277-8