John Duffy was a British serial killer and rapist known as one of the "Railway Killers," responsible for a series of attacks on women near railway stations in London during the 1980s. He committed his crimes alongside accomplice David Mulcahy. Duffy was eventually arrested and convicted, receiving a life sentence. His case was significant in the development of offender profiling techniques in the United Kingdom and remains one of the most notorious series of crimes in London’s history.

Learn how two British school friends turned into cold-blooded killers. Subscribe to Our Life: https://bit.ly/3dBMxvl Serial killers are the dark stars of modern culture, but is it nature or nurture that creates a serial killer? Born To Kill takes an in-depth look at the cases of some of the most notorious murderers that have shocked the world. In the mid 80s, two British school chums - the short and introverted John Francis Duffy and the taller outgoing David Mulcahy - maintained their friendship and continued their shared interest in martial arts and serial rape into adulthood. Psychological Offender Profiling helps bring in one, while DNA testing eventually pulls in the other. Neither's individual interest in rape may have led to murder, but working together was another story, and the railway line became their hunting ground. This film was first broadcast: 2015 Watch More Documentaries Our Life - https://bit.ly/3A8xRMJ Our History - https://bit.ly/3rUpdhL Our World - https://bit.ly/3ftuckM Our Stories - https://bit.ly/3ynfFyk Our Taste - bit.ly/3OZoDcV Our Life brings you fascinating stories of social interest from around the world. You can discover award winning documentaries, films and groundbreaking reports that capture the complexities of our daily life, with stories that will entertain, inspire and inform. Content distributed by ITV Studios.

Season 19 : Killer Pairs Episode 11 : John Duffy & David Mulcahy In the late 70s and early 80s, London was plagued by a series of sexual assaults near rail stations. When the assaults turned to murders, the police scrambled to find out who was responsible. https://www.youtube.com/@SomewhereSinister Closed Captions are available and have been added by me. They are not YouTube generated. Just hit the CC button. You can listen to our Podcast by searching "this is MONSTERS" wherever you listen to podcasts. Go to thisismonsters.com to check out all of our merch hosted by FourthWall! Twitter: https://twitter.com/thisis_monsters Instagram: https://www.instagram.com/thisis_monsters/ https://www.threads.net/@thisis_monsters If you are a victim of domestic abuse, please reach out to someone for help. Please call the national domestic abuse hotline at 1-800-799-SAFE. That’s 1-800-799-7233 or go to thehotline.org to chat with someone online. This website is set up so that at any time, hitting the escape key twice will instantly take your browser to a google search page. In the event the abuser is nearby, you can ensure that you don’t get caught trying to get help. If you are having feelings of harming yourself or someone else or even just need someone to talk to, please contact your local mental health facility, call 911 or call Mental Health America who operate the National Suicide Prevention Lifeline by dialing 988 in the US. They’re available 24 hours a day, 7 days a week. If you’re a member of the LGBTQ+ community and suffering from discrimination, depression, or are in need of any support, please contact the LGBT National Hotline at 1-888-843-4564 or go to LGBThotline.org. #truecrime #truecrimepodcast #truecrimecommunity #crime #documentary