Alexandra Walker and Harrison Simpson were both convicted of murder after a trial at Teesside Crown Court, after they inflicted weeks of pain and degradation on the two-year-old. You, Harrison Simpson, were only 21 years old at the relevant time; you Alexandra Walker, were 25." She continued: "I have already referred in some detail to the multiple serious injuries inflicted upon Isabelle in the weeks before her death. "You deliberately kept Isabelle away from school and made a conscious and deliberate decision to prevent her getting medical help. "When after a protracted delay, medical help was finally obtained, it was discovered that she had a leg fracture.