A former executive of a North Texas hospice on Thursday admitted her role in an alleged $60 million scheme that included overdosing patients to "hasten their deaths," according to a court document. Melanie Murphey, operations director for Novus Health Services in Frisco, pleaded guilty to federal health-care fraud charges. She faces up to ten years in prison. She is expected to testify against 15 others involved in the alleged conspiracy, including Novus’ owner Bradley Harris and his wife Amy. In court documents detailing her crime, Murphey said she was the "go-between" between Bradley Harris and five nurses and five doctors...