ly canha sre this holiday season, their story. hour and a half or so and then give the gift of discovery, with an ancestrydna kit. she leaves. reporter: all of this the night before michelle le disappeared. what was giselle doing? and then ritchie learned, from questioning witnesses, that on give the gift of discovery, the morning after michelle disappeared esteban went, with a lot of folks ask me why their dishwasher doesn t get everything clean. her daughter in tow, to an apple i tell them, it may be your detergent. store. and sure enough, there she was on the store s security camera. that s her there at the top left of your screen, having one of that s why more dishwasher brands the employees unlock an iphone. she told the apple employee that her daughter had put a code recommend cascade platinum. into the phone and locked it. .with the soaking, scrubbing and rinsing built right in. once he unlocked it, the phone started binging and ringing. reporter: and just at that very m
reporter: esteban, it was clear in the recording, had that s the scent that puts the giddy in giddy up! become fixated on her old for a scent with even more giddy up, friend, was convinced michelle try gain scent blast in detergent, had somehow broken up her fabric softener and scent beads. relationship with scott. and yet, as ritchie took pains to discover [fa mers bell] michelle and scott were nothing more than just friends. she had a boyfriend. scott was just just one of the many friends that she had. (burke) a rock and wreck. but the only person in this seen it. covered it. world that seemed to think that at farmers insurance, we know a thing or two there was more to it was giselle. because we ve seen a thing or two. we are farmers. bum-pa-dum, bum-bum-bum-bum reporter: prosecutor butch ford heard the audio too and read the 1,500 pages of texts and emails scott gave police. for the better part of six years, she had an obsession with we don t see who you re against
they ran fingerprints. they sent dna out for testing. they interviewed witnesses. all quietly, out of sight of the family and press. they tested a strand of hair found in michelle s car. turned out to be giselle s. some of her touch dna on the turn signal too. but since the two knew each other, that wasn t enough evidence to make an arrest. so they checked giselle s cell phone records, found that her phone, like michelle s, left a trail in the hours after michelle vanished. and what do you know? the locations that michelle s phone went giselle s phone also went. as if they re traveling together. yes. reporter: the eavesdropping electronics was closing in. here was surveillance video showing giselle trying to access the nursing school s computer the night before michelle s disappearance. and here the scene of the apple store the day after michelle vanished.
ritchie felt he may have answered that question when he found on the passenger seat of so automatically, our minds went michelle s car. a little piece to, were there more was that would end up fitting into a very large puzzle. there more than one person we found a identification card from the samuel merritt nursing school, that michelle involved? was attending. but it was not michelle s. reporter: and so when ritchie there was no reason for that to be there. got a call from giselle s reporter: the name and face were plainly visible on the card ex-boyfriend claiming to have partially wedged into the seat found michelle s iphone, he was cushion. as if somebody had left it there worried. by mistake. so ritchie called the school. i was very concerned that and was told had we missed something? is he the other part of this? oh, that s our new instructor then it s why is he telling us that s starting in a week. this? and then i could hear in the back of the phone if he is
would possibly be. couldn t be her. the bits of clothing weren t reporter: but that didn t right. happen. and the bone was bleached by the not to say, though, her behavior sun, must have been there a long wasn t suspicious. remember the vigil the le family time. and, when they looked closer. held a week after michelle s disappearance, the one attended that s a six-foot something by giselle s ex-boyfriend, it s not a 5 5 female. scott? it turns out giselle was there too sort of. reporter: appalling, some the tracking device showed other poor soul wound up here. giselle circling the block as michelle s family pleaded for help. but relief, too. it wasn t michelle. and later it showed her driving past scott s house. so the search and the mystery wore on for days and then for weeks and by the middle of why? ritchie was all but sure now. august it all looked to be losing steam. giselle had something to do with michelle s disappearance. the question now was did she on a typical san f