Peter Van Sant and 48 HOURS investigate the disappearance of Suzanne Morphew, the case against her husband Barry Morphew, and incredible twists the story takes in "The Suzanne Morphew Case: Nothing Is What It Seems." 

The brutal murders of four teenage girls has haunted Austin, Texas, for 30 years. Could new information lead to a killer? "48 Hours" correspondent Erin Moriarty has reported on the case from the beginning and has the latest on the search for answers.