>> not just one thing. it was like the totality of the circumstances. everything -- every little thing was clicking in my mind and saying to myself, this isn't right. something is wrong here. >> gut instinct is one thing. but evidence is quite another. people handle terrible events in different ways. the police are paid to be suspicious. maybe their view of steven was too jaundiced. there really was nothing to indicate that her fall was anything but an accident. a few months later, the ruling was in. the bergen county medical examiner concluded the manner of jody sharp's death could not be determined. an accident was as likely as anything else. case closed. or was it? >> refere >> reporter: the suspicions grow. was there a weapon at this