Between 2011 and 2012, a series of murders was committed in Essonne.

Nathalie Davids and Jean-Yves Bonnerue are shot dead in the parking lot of their residence.

Marcel Brunetto, him, is shot in the hall of his HLM.

In all three cases, the same weapon killed ...

Guest: Me Elisabeth Auerbacher, lawyer for the family of Nathalie Davids