to the north. >> she had to have been prop propelled from that point. >> reporter: jody had to have been thrown or pushed to her death, he said and likely from another spot entirely on those cliffs. he wasn't the only expert who saw it that way. >> of the head and chest injuries are not consistent with someone that tumbles down the cliff face. >> reporter: dr. marian clayton was the bergen county medical examiner who first ruled the circumstances of jody's death could not be determined. now on second look, she said, the victim's wounds or lack of them told her something different, something vital. if jody had tumbled innocently down the palisades she would have had broken bones everywhere. she did not. >> there were no visible injuries on the back of mrs. scharf's body. >> reporter: but why would stephen have killed his wife? the biggest reason the