CHARLOTTESVILLE, Va. (AP) _ Authorities have ruled the death of a University of Virginia student a homicide. The Albemarle County Police Department released the cause and manner of death for 18-year-old Hannah Graham on Tuesday. According to information from the Virginia medical examiner’s office, Graham’s death was “homicidal violence” but the exact cause was unknown. A final autopsy report has not been issued. In a statement, county police and prosecutors said they would not be answering any further questions or providing additional information. Both said they “remain committed to the investigation.” Graham’s remains were found Oct. 18 near Charlottesville after a month-long search. She disappeared Sept. 13 after a night out with friends. The man Graham was last seen with, 32-year-old Jesse Leroy Matthew Jr., is charged with abduction with intent to defile Graham.