Graffiti on an Obelisk on Wychbury Hill "Who Put Bella in the Witch Elm?" (Robert Corbett / Alamy)

Georgia:

The eerie 1943 mystery, "Who Put Bella in the Witch Elm"

Episode sources:

1. THE UNREDACTED:The Hagley Woods Mystery: Bella in the Wych Elm

2. Wikipedia - Who put Bella down the Wych Elm?

Karen:

The chilling crimes of Richard Chase, the Vampire of Sacramento

Episode sources:

1. Richard Chase: The Vampire Of Sacramento (Born To Kill) | Our Life

2. Richard Trenton Chase BY Katherine Ramsland

Richard Chase mugshot

Listen to Rewind with Karen & Georgia Episode 10 - Murderous TENdencies