Thereafter he was a co-scenario writer of Jean-Jacques Zilbermann's film Not Everybody's Lucky Enough to Have Communist Parents, and of Assassin(s), directed by Mathieu Kassovitz.
Following his previous work, he contributed to the writing of the screenplay for both "Not Everybody's Lucky Enough to Have Communist Parents," a film by Jean-Jacques Zilbermann, and "Assassin(s)," a movie directed by Mathieu Kassovitz.