Inspector Ritchie News Today : Breaking News, Live Updates & Top Stories | Vimarsana

I sent a message out. us know where they thought we should be looking. and when we pressed them, "why this is inspector ritchie of the should we be looking there? hayward police department. why should we be looking there?" they finally said, "well, you need to get ahold of me because that's where the cell right now. towers take us." >> yeah? >> i got the response within >> reporter: michelle le, it turns out, went on a strange several minutes saying that "my journey on the evening of may phone is dying, i need to find a 27th, 2011. or at least her cell phone did. charger. i'm having car troubl...

Keith morrison: ritchie listened to giselle's tone careen from aggrieved, to furious, to threatening-- all in less than a minute. this was far from the subdued woman he had met back in may. it was apparent that she was a violent person. did you ever have any concern about scott's safety? yes. and we advised scott that. if it is giselle, you have to be concerned for your safety as well. and he might well be a target. yeah. keith morrison: esteban, it was clear in the recording, had become fixated on her old friend-- was convinced michelle had somehow broken up her relationship with scott. and y...

That michelle would possibly be. keith morrison: but that didn't happen. not to say, though, her behavior wasn't suspicious. remember the vigil the le family held a week after michelle's disappearance? the one attended by giselle's ex-boyfriend, scott? it turned out, giselle was there too-- sort of. the tracking device showed giselle circling the block as michelle's family pleaded for help. and later, it showed her driving past scott's house. why? ritchie was all but sure now giselle had something to do with michelle's disappearance. the question now was, did she have some help? it was somethi...

By entering this break room. and then at 5:30 in the evening, when the campus is closed, she gains access through the back door using that electronic key card. same swipe card. yes. throughout the campus, there are-- in the classrooms and in the hallways-- there's cameras. and it shows giselle walking around with a lab coat on, her glasses up, and she's going around turning on computers. keith morrison: weird. yeah. keith morrison: giselle can also be seen with a class roster stolen from an instructor's office. and you can see the class roster, because it has all the students' photographs on t...

You're not going to tell us why. >> reporter: ritchie understood the family's anger. but as far as he was concerned, he had a murder investigation on his hands and that meant the family had to be kept in the dark. >> there's certain procedural things that we have to keep close to us, that we can't put out there. because we have to maintain evidence, we have to maintain the custody of certain information. and it's of evidentiary value to us that if we don't have the suspect in custody, that the only people that know about it is the suspect and us. >> reporter: so in the absence of official info...