
This episode covers the chilling crimes of Fritz Harmon and Carl Denker, two notorious serial killers in post-war Germany. It discusses Harmon, known as the "Vampire of Hanover," who confessed to the murder of numerous boys and young men, and Denker, dubbed the "Forgotten Cannibal," who was discovered to have killed and consumed at least 31 victims.
Fritz Harmon, a butcher, was convicted of 24 counts of murder in December 1924, using his skills to dismember his victims and dispose of their remains. He claimed to have bitten through their necks, earning him his gruesome nickname.
In contrast, Carl Denker, a stone worker, was arrested after a violent altercation with a beggar named Vincenz Olivier. Following Denker's suicide in police custody, authorities uncovered a horrifying array of human remains and evidence of cannibalism in his home.
The episode details Denker's meticulous record-keeping of his victims, which included a mix of traveling craftsmen and local men, and highlights the shocking revelation that he had been killing for over two decades.
Furthermore, the episode discusses the wrongful conviction of Edward Troutman for the murder of Emma Sander, revealing how Denker's crimes led to the exoneration of an innocent man.
Fritz Harmon and Carl Denker, two serial killers in Germany, committed gruesome murders and cannibalism in the 1920s, shocking the nation.

This episode stands out for the following:
The monster had been defeated, or so they thought.When kindness hides something sinister
It wasn't fur sprouting from the pale meaty substance; it was human chest hair.When kindness hides something sinister
Denka had been killing for 21 years.When kindness hides something sinister
The revelation that Denka was a prolific cannibal serial killer was horrifying enough.When kindness hides something sinister
Denka had been wearing this pair when he died in his cell.When kindness hides something sinister
The name Emma was listed in his notes as his second victim.When kindness hides something sinister