
Monique Olivier: Accessory to Evil — Season 1
About this season
From 1987 to 2003, Michel Fourniret cemented his legacy as France’s most infamous murderer. But his wife was an enigma: Was she a pawn or a participant?
Episodes (5)

1. The Monster's Wife
Aired 2 March 2023 • 43 min
June, 2003. Belgian authorities arrest Michel Fourniret for attempted kidnapping and assault. Linking him to two other cases, they interrogate his wife.

2. Deal with the Devil
Aired 2 March 2023 • 43 min
Letters, loneliness and a deadly pact: With Olivier in custody, psychologists analyze her history with Fourniret to understand her role in his crimes.

3. The Ogres of the Ardennes
Aired 2 March 2023 • 38 min
A prosecutor recalls Olivier and Fourniret's sheer lack of empathy as they uncovered bodies. Later, their ownership of a château is called into question.

4. The Evil Genius
Aired 2 March 2023 • 42 min
When the trial opens, Olivier's role as a mother spikes public fascination — and hatred. As the couple's crimes come to light, so does their sex life.

5. The Secret Keeper
Aired 2 March 2023 • 40 min
Olivier is taken out of her cell to help with a cold case in 2021, but her motives are unclear. After Fourniret's death, can she recover her humanity?