Letters, loneliness and a deadly pact: With Olivier in custody, psychologists analyze her history wi...

A prosecutor recalls Olivier and Fourniret's sheer lack of empathy as they uncovered bodies. Later, ...

When the trial opens, Olivier's role as a mother spikes public fascination — and hatred. As the coup...

Olivier is taken out of her cell to help with a cold case in 2021, but her motives are unclear. Afte...