When a world-renowned snake breeder is found dead, first responders originally think his missing anaconda could be to blame. As the frantic hunt for a missing snake begins, the investigation soon reveals a tragic family saga and a sinister betrayal. Andrea Canning reports.

While investigating the disappearance of Pamela Butler in Washington D.C., detectives discover a puzzling connection to Virginia resident Marta Rodriguez, who vanished two decades earlier. Dennis Murphy reports.