Given Christina News Today : Breaking News, Live Updates & Top Stories | Vimarsana

>> she was a design original. christina. the fashionista. >> fantastic wardrobe. >> she went out to drink with friends and never came home. >> i sensed something was wrong. >> this is real. >> who was the last to see her? >> she went her way? that's all i can tell you. >> where was her ex-model boyfriend? >> he doesn't call when she's missing. >> someone had something to hide. >> he thought he was getting away with it. >> she was fighting for her life. >> all i can do is pray with all that i have. tell me what happened that night. welcome to "dateline." 23-year-old christina morris h...

Off to the laboratory for confirmatory tests. >> as you can imagine, detectives weren't saying much about the case, not even to christina's parents. >> they're not giving you a play by play? >> no, no. >> right. and we understand they can't. but you know, we -- we had to ask questions. we couldn't just sit and wait. >> they also had questions for enrique. maybe he knew more than he was telling. from the beginning, they'd been suspicious of his story. and given christina's fear of being taken, anna and mark thought their daughter would never have let him leave her alone on the walk to the car. ...

Now, they thought he might inadvertently be pointing them in a new direction. police obtained a search warrant, and brought the car down to the crime lab garage. and they showed that gas station video to the csi techs. >> and one of the c.s.i. investigators thought to herself -- where is a likely place that would have d.n.a., that's hard to clean, and she said that her gut told her to swab the weather stripping, the rubber portion of the trunk at the seal. >> it's that black rubber gasket that lines the opening of the trunk. >> they swab it, and send it off to the laboratory for confirmatory t...

Inadvertently be pointing them in a new direction. police obtained a search warrant, and brought the car down to the crime lab garage. and they showed that gas station video to the csi techs. >> and one of the c.s.i. investigators thought to herself -- where is a likely place that would have d.n.a., that's hard to clean, and she said that her gut told her to swab the weather stripping, the rubber portion of the trunk at the seal. >> it's that black rubber gasket that lines the opening of the trunk. >> they swab it, and send it off to the laboratory for confirmatory tests. >> as you can imagine...

In a new direction. police obtained a search warrant, and brought the car down to the crime lab garage. and they showed that gas station video to the csi techs. >> and one of the c.s.i. investigators thought to herself -- where is a likely place that would have d.n.a., that's hard to clean, and she said that her gut told her to swab the weather stripping, the rubber portion of the trunk at the seal. >> reporter: it's that black rubber gasket that lines the opening of the trunk. >> they swab it, and send it off to the laboratory for confirmatory tests. >> reporter: as you can imagine, detective...