Edith Thompson and Frederick Bywaters were in love but the young couple were convicted for murdering Edith's husband. The case would shock this changing society and highlight the horror of the death penalty.

It was WWII and London was rocked by the Blitz. In this blacked out city another terrible danger lurked in the shadows. A serial killer was on the loose.

As Europe recovered from the damage of WWII, soldiers made their way home from the front line. One man however brought back all the savagery and brutality of the fighting.

John Christie killed at least eight women during the 1940s and 1950s, including his wife. Hear more about his shocking crimes in this two-parter.