When the plans failed due to the arrest of La Voisin, Montespan hired Filastre to perform the murder on Fontanges, and she was arrested after having applied for a position in the household of Fontanges.
When the plans failed due to the arrest of La Voisin, Montespan hired Filastre to perform the murder on Fontanges. She was arrested in December 1679, after having applied for a position in the household of Fontanges.