How Agatha Christie’s spooky story inspired real life murderers and detectives. A friendly warning: there are major spoilers for The Pale Horse by Agatha Christie in this episode. Find links to all the books and sources mentioned at shedunnitshow.com/thepalehorse. Special thanks today to my guests Kathryn Harkup and Sarah Phelps. Kathryn’s book is A is for Arsenic: The Poisons of Agatha Christie and she’s on Twitter @RotwangsRobot. Sarah’s adaptation of The Pale Horse is available in the UK on BBC iPlayer and in the US on Amazon Prime from 13 March. She’s on Twitter @PhelpsieSarah. Also, I’m indebted to Nick Hilton of Podot Pods for his recording assistance. Thanks also to today’s sponsor, Best Fiends. You can download Best Fiends free on the Apple App Store or Google Play. Become a member of the Shedunnit book club and get bonus audio, listen to ad free episodes and join a book-loving community at shedunnitshow.com/bookclub. Books and sources: —The Pale Horse by Agatha Christie —Final Curtain by Ngaio Marsh —“How Agatha Christie mystery The Pale Horse may have inspired a murderer” by Kathryn Harkup for the Guardian —A is for Arsenic: The Poisons of Agatha Christie by Kathryn Harkup To be the first to know about future developments with the podcast, sign up for the newsletter at shedunnitshow.com/newsletter. The podcast is on Twitter, Facebook, Tumblr and Instagram as @ShedunnitShow, and you can find it in all major podcast apps. Make sure you’re subscribed so you don’t miss the next episode. Click here to do that now in your app of choice. Find a full transcript of this episode at shedunnitshow.com/thepalehorsetranscript. Music by Audioblocks and Blue Dot Sessions. See shedunnitshow.com/musiccredits for more details.