Monday March 20 at 8:56 a.m., as she was about to leave her home, rue de Prague (Paris 12e), Cécile Hussherr-Poisson, was stabbed several times in the throat by a helmeted man carrying a messenger bag, in the lobby of the building. The victim, who would turn 48 on April 4, did not survive his injuries. Alerted by the cries, neighbors immediately called the emergency services and the police, while workers who worked on a nearby site chased the attacker. He was arrested by the police about ten minutes later in front of the Sainte-Marguerite church, rue Saint-Bernard (11e).
The man was identified as François-Xavier Hussherr, ex-husband of the victim. After forty-eight hours in police custody, he was indicted for “murder” and placed in pre-trial detention, in accordance with the requisitions of the prosecution, Wednesday evening March 22, learned The world from judicial sources.
Placed in pre-trial detention
Both are former students of the Ecole Normale Supérieure, Ulm for her, Cachan for him. Cécile Hussherr-Poisson, associate professor of classics, specialist in the rewriting of myths in literature and the relationship between literature and new technologies, was a lecturer at the Gustave-Eiffel University of Champs-sur-Marne (Seine-et-Marne ), where she taught comparative literature. She was also an “equality sentinel” within the faculty.
Her ex-husband, François-Xavier Hussherr, born in 1972, doctor and agrégé in economics, specializing in new technologies, was director of Internet and new media activities at Médiamétrie and president of the Renaissance Numérique association.. The couple had co-founded in 2009 the first publisher of interactive digital textbooks, Lelivrescolaire.fr.
Since 2019, François-Xavier Hussherr has been president and co-founder of Professorbob.ai, an artificial intelligence start-up intended to help students in difficulty, hosted in the incubator of the Ecole polytechnique in Palaiseau (Essonne). His company won in July 2022 a call for tenders for 23 million euros over five years to fight against school dropout, with the Ministry of National Education.
He is also the author of several books, including two co-signed with his ex-wife, Building the educational model of the XXIe century (FYP editions, 2017) et The new power of Internet users (Timed editions, 2006). In 2005, Cécile Hussherr-Poisson published an essay on Abel and Cain in literature by Cerf, entitled The Angel and the Beast.