Overview: The trial continues with key evidence from Carla and Simon's friends, colleagues and family. They're all subjected to rigorous cross-examination from the defence and prosecution teams. As details emerge of Simon and Carla's personal histories and questionable past behaviour, the jurors begin to form a fuller picture of why they separated and what their relationship was like at the time of Carla's death. Can Simon remain impassive as the emotional testimonies mount up?