calendar. >> the xs indicating no -- no knowledge of her, disappeared, nothing. no word. >> reporter: the fact is dan valdez had been recording his daughter's comings and goings for years. >> this is michelle. >> hi. >> i took it upon myself to tape them, tape every event. every chance that i had i had the videotape there. >> reporter: the michelle valdez that appears in these home videos with her little sisters is a far cry from the thin, drug-wasted young woman police would later come to know and fingerprint. >> daddy, can i have something to eat now? >> reporter: this michelle, along with her sister camille and half sister kendra, was a cut-up and a clown. >> i'm freezing. >> reporter: whether in costume for a school play, dressed up for her first communion, or showing a budding interest in