Why there’s no motive in the mushroom murder trial

Ian Wilkinson was the sole surviving guest of a deadly beef wellington lunch and now he’s had the chance to tell his story in court. He has given evidence in the trial of Erin Patterson who’s accused of attempting to murder him and of murdering his wife and another couple. The jury has also heard that before the lunch Erin Patterson told friends she had been “hiding powdered mushrooms in everything”. Today, investigative and true crime reporter Rachael Brown on the key evidence so far from the mushroom murder trial and how the prosecution is not alleging a motive. Featured: Rachael Brown, ABC investigative and true crime reporter