By Khadija Khan When 22-year-old Mahsa Amini was visiting family in Tehran on September 13, she had no idea that she would fall foul of Iran’s notorious “morality police”. She was with her brother Kiarash when she was arrested by the regime’s ‘Guidance Patrol’ and transferred to the ‘Moral Security’ agency, for wearing “inappropriate” hijab. Mahsa’s brother was told she would be taken to a detention centre to undergo a “briefing class” and released shortly afterwards. But she never made it. She instead arrived at Kasra Hospital, where she died…