A SEVEN-year-old boy at a family party smiles for the camera held by his doting mum. The next day Rasheed Vaughan’s mother, Laura, was dead — murdered by his own dad in a shed he had bought specially to carry out the cold-blooded execution.... One memory I do have is of Dad hitting Mum.“ The image of him striking her stayed with me.“ When Mum went missing it was treated as nothing to worry about.... ” For three weeks Al-Shatanawi had kept up a charade over Laura’s disappearance.He told friends