In this episode, the gang starts off by talking about the death of Pope Francis, Dr. Suzanne O'Sullivan's book The Age of Diagnosis, and the 1997 film "Selena". This episode is finished out with Jackie telling us about the tragic cases of Sandra Newton, Geraldine Hughes, and Pauline Floyd.

Sources:

The real story behind Steeltown Murders and the Saturday Night Strangler behind them | Wales Online
How Police Solved the 'Saturday Night Stranger' Case Decades After Murders
Steeltown Murders: How Saturday Night Strangler was caught
Steeltown Murders: is it a true story? Who is the killer? | What to Watch
Joseph Kappen - Wikipedia
BBC One - Steeltown Murders - Available now