As Annemarie Carey drove the familiar route to school, her stomach flipped as scenes of unknown horror rushed through her mind. It was March 11, 2024, when the 37-year-old mum had received the call that every parent dreads - her 16-year-old son, Harlan, had collapsed at school. One moment he was gearing up to sit his mock GCSE exams, the next he was lying prone on the classroom floor, face blue and limbs rigid. Running into University Technical College in Swindon that morning, she saw her son