| UPDATED: 21:22, Mon, Feb 15, 2021 Link copied Sign up for FREE now for the biggest moments from morning TV SUBSCRIBE Invalid email When you subscribe we will use the information you provide to send you these newsletters. Sometimes they'll include recommendations for other related newsletters or services we offer. Our Privacy Notice explains more about how we use your data, and your rights. You can unsubscribe at any time. The Serpent on BBC iPlayer tells the harrowing true story of French serial killer Charles Sobhraj (played by Tahar Rahim). Sobhraj was known as The Serpent, The Bikini Killer and the Splitting Killer and is believed to have killed approximately 10 people in the 1970s across Asia. Is The Serpent still alive today? Express.co.uk has everything you need to know.