phil show, disgustingly. it's -- it's terrible. >> he can say it's ghoulish, you know. what we say is it's justice. they know what happened to her, and she didn't kill herself. >> reporter: rebecca's family petitions the california attorney general to re-open rebecca's case. but in a crushing blow -- their request is den >> to haveent was really, real difficult. anyone that'se sa" let's get the answers. let's get the answers.orte "20/20" enlists this former nypd detective to take a new look at the zahau case. >> it's a mystery. and i ( ♪♪ ) ♪♪ jen, i've got questions. boots or flip-flops? boot! great. smokey or natural eye? ugh, natural. good choice. how about calling or texting? definitely calling. puppies or kit sorry, cats. dry eyes or artificial tears? wait, that's a trick question. because they can both get in your way. that's why it is super-important to chat with your eye doctor if you're using artificial tears a lot and your eyes still feel dry. next question. guys, it's time for some eyelove! do you like big, juicy steak? do you like freshly steamed lob