FILE - In this June 23, 2009 file photo, Fabiola Saavedra stands by a poster showing her sister, murder victim Brenda Sierra, during a news conference in Monterey Park, Calif. Rosemary Chavira pleaded not guilty Tuesday, March 3, 2015, to taking part in the kidnapping, rape and murder of a Sierra, who was abducted on her way to school a dozen years ago. (AP Photo/Nick Ut, File)