A grand jury has indicted a Massachusetts man on a murder charge in connection with the fatal stabbing of an 81-year-old woman in Maine last summer.Juan Contreras of Waltham, Mass. has been held without bail since his arrest in November.Authorities say he stabbed Grace Burton 35 times inside her Farmington home last June. Police believe robbery was the motive.The Bangor Daily News, reports that the 27-year-old Contreras was tied to Burton’s death through DNA evidence from blood found at the scene. He had been living in Farmington at the time, a short distance from Burton’s home. His lawyers have asked for a psychological review.