The body of shopkeeper Mrs Ridgley is discovered

25th January 1919

Mrs Ridgley, a shopkeeper, and her dog were found dead in Hitchin, Hertfordshire with brutal head injuries on 25 January 1919. In The Murder that Defeated Whitechapel's Sherlock Holmes, author Paul Stickler concludes with his own investigation of who did the crime, but the killer is still unknown to this day.