They weren’t just partners in life—they were partners in death. This episode dives into the twisted psychology and chilling crimes of the most disturbing serial killer couple ever recorded. Bound by obsession, manipulation, and a shared appetite for cruelty, their reign of terror left a trail of victims and a legacy of horror that still haunts investigators and survivors alike. From their eerie courtship to the gruesome details of their crimes, we unravel how love became lethal—and why the world wishes it could forget them.