Article continues below advertisementThe blood evidence found on Nancy Guthrie's front porch points to a single kidnapper, according to a former FBI profiler. "If there was no blood spatter pattern inside the house, then outside by the front door or while she was going through the door this is where she put up a fight or refused to go any further," retired FBI Supervisory Special Agent Jim Clemente told an outlet Monday, April 27. "This is where she was assaulted," he explained. "Most likely struck in the nose or mouth.