In Antalya, 18-year-old Muhammed D. attempted to strangle his elder sister Kübra D. (22), claiming 'a devil entered her'. The young woman managed to text her elder sister Meryem D. (29) for help. The enraged young man chased and caught his sister inside the apartment, then choked her until she became motionless. WENT OUT ON THE BALCONY AND SHOUTED Upon receiving the message, the elder sister arrived home and called 112 for help when she found her sibling lying motionless. Meanwhile, the brother began to attack his elder sister. After the initial attack, the young man went out onto the balcony and shouted for a while before his sister tried to calm him down. The young man punched his sister and choked her. At this moment, a police team entered through the open apartment door, neutralized the assailant, and took him into custody. INTUBATED Of the siblings, Kübra D. was taken to Akdeniz University Hospital, while Meryem D. was taken to Antalya Training and Research Hospital. Kübra D., whose condition is serious, was intubated. Muhammed D., who was taken to the police station to give his statement, confessed to his crime: “I thought devils had entered my sisters. I choked Kübra to cast out the devils. I also attacked my other sister Meryem, who came home, in the same way. If the police had not arrived, I would have killed both of them to cast out the devils.” The assailant was arrested.