In this Dateline classic, Cathy Torrez was a beautiful, smart and responsible 20-year-old student. So why didn't she come home after work like she was supposed to? Josh Mankiewicz reports. Originally aired on NBC on April 24, 2015. Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.