Yassine Chabli, a native of Ben Guerir, was an industrial maintenance technician and a martial arts practitioner. Aged 28 at the time of the events, he was arrested on October 5, 2022, by two police officers while sitting in a public park. Handcuffed behind his back and forcibly taken to the city police station, a police officer slapped him several times upon his arrival. He was then placed him in a security cell despite showing signs of distress.