and the tick infested woods near where her car had been found. for three of her six sisters -- jenniferduring the search? that must have just added to how hard it was? >> it was hard. >> probably worse because i know by the end of the day my feet were so swollen, i didn't even want to move off of the couch but i knew i had to because i wanted to find her. you feel sick to your stomach, but you couldn't tell if it was sickness from pregnancy or sickness because you're afraid you're going to find her and she's going to be dead. >> in what seemed like parallel investigations, everyone detectives talked to, the family tried to talk to as well. one person her sisters hadn't been able to reach was sarah's childhood friend, jason flores. he was the one sarah dropped off before going home that night. since he was the last person known to be with her before she vanished, they called his cell phone. >> we tried to, but no one ever answered. >> did anyone worry that he could've been involved or know something? >> yeah. >> we don't know how or why but we just thought he was there with her. we just