The Daily Star's FREE newsletter is spectacular! Sign up today for the best stories straight to your inboxThey are the masters of the whodunit who have given us some of the most thrilling tales of murder and intrigue.But having studied the criminal mind for their page-turning plots, it's no wonder top crime writers have sometimes turned real-life detectives.Now a new book looks at the only case Sherlock Holmes creator Sir Arthur Conan Doyle personally investigated.It's a remarkable story of mutilated horses, a wrongfully convicted lawyer and a fight for justice in the early 20th Century.But, as Daily Star reveals, he is not the only thriller writer to turn their hand to a spot of genuine sleuthing.
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