adrian salinas had completely disappeared.as police arrived at her apartment, so did friends and her boyfriend, francisco ortega, who said he hadn't seen her since the previous friday night when the two had a heated argument. >> we realized that she hadn't contacted or had conversations or called anybody since saturday morning, just the night before. >> a group of friends had celebrated a birthday party at adrian's apartment. adrian and francisco left the party around 2:30 a.m. after hours of partying. she accused him of not paying attention to her. >> we want to go to my apartmen, where it's more private to talk about things and then things escalated. and then i was taking her back to her house. i was driving and take her back home. on her way home, we had to stop by old town, a popular tempe place for college students, and there's a lot of street lights there, so traffic is moving really slow and she just hopped out of my car. and sadly, that's the last time i ever saw her. >> francisco called her roommates to make sure she