Police have revealed next to nothing about the evidence they have against Jesse Leroy Matthew Jr., and they won't have to for months to come. FILE - This undated file photo provided by the Virginia State Police, missing Virginia Tech student Morgan Harrington, 20, of Roanoke County, Va., is shown. Police say the investigation into the case of missing University of Virginia student Hannah Graham has turned up a lead in Harrington's 2009 disappearance and death. This image provided by the FBI shows sketch composites of a suspect wanted in the death of 20-year-old Morgan Harrington, who vanished while attending a rock concert at University of Virginia in 2009.