Nantes, France is a large city thats known for being peaceful and quiet; everyone goes to church on Sundays, theres a residential neighborhood in the middle of town, and it's just chill vibes all around. That is until a neighbor’s suspicion launches an investigation into one of the most horrific crimes to ever come out of Nantes. To this day people still take a pause when they think about the Dupont de Ligonnès murders.

Sources for this episode:

Unsolved Mysteries: House of Terror on Netflix

https://en.wikipedia.org/wiki/Dupont_de_Ligonn%C3%A8s_murders_and_disappearance