A poster paying tribute to Samuel Paty was displayed in the city of Montpellier, France, a few days after his killing. Photo: pascal guyot/Agence France-Presse/Getty ImagesPARIS—Six teenagers went on trial Monday, accused of helping the man who beheaded French schoolteacher Samuel Paty three years ago after he showed caricatures of the Prophet Muhammad as part of a class on free speech. The attacker, Abdoullakh Anzorov, an 18-year-old Russian national of Chechen origin, was shot dead by police minutes after the assault.

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Persons: Samuel Paty, pascal guyot, Prophet Muhammad, Abdoullakh Organizations: Agence France, PARIS Locations: Montpellier, France