Author of book on investigation had never heard of suspect . His mother , Julie , learned after her son failed to return home that he had n't been in classes that day . Investigators have not uncovered forensic evidence linking Hernandez to the case , Kelly says . Score: 7 Hernandez is expected to be charged with second degree murder , police say .
Author of book on investigation had never heard of suspect . Investigators have not uncovered forensic evidence linking Hernandez to the case , Kelly says . Score: 7 Hernandez is expected to be charged with second degree murder , police say .