Part two of two. Michael's search leads him to Ruabon in north Wales, which was home to the second-largest Monsanto factory in the country and a major research and development centre. Many locals have voiced concerns about what they believe is a high incidence of cancer in the community. Michael meets a former Monsanto employee, who speaks publicly for the first time about what he believes was inadequate health and safety provision for workers and that the company paid farmers to spray chemical waste on their fields