Keyword: Conflans Saint-Honorine attack
A few minutes after the horrific murder of Samuel Paty near Paris, his attacker Abdoullakh Abouyezidovitch A. posted a photo of the history teacher's head on his Twitter account. Mediapart can reveal that at the end of August the 18-year-old Russian-born Chechen had also posted a photomontage of a mock decapitation. It has also emerged that several people had flagged the youth's Twitter account to the authorities in recent months. Matthieu Suc reports.