most of the people corey saw that night left the bar before she did, but one friend, tiffany smith, stayedith corey until 1:00 in the morning. tiffany told police they both left the bar at the same time in their own cars and went their separate ways. but tiffany told friends that wasn't the only contact she had with corey that night. >> she said she called corey from her cell phone around 2:00 a.m. and corey answered the phone. she said when corey answered the phone that corey was asleep and she asked her what she was doing. corey said, i'm sleeping. >> tiffany also told friends she drove to corey's apartment around 4:00 a.m. and knocked on her door, but no one answered so she left. >> her statement that she went by corey's house puts her at the crime scene during the time that corey could have possibly been killed. and that added to that suspicion that she could possibly be involved. >> but when investigators checked tiffany's cell phone records, they made a startling discovery. tiffany didn't call corey after they left the ritz bar. but why would tiffany make up a story like that? >> eve

tiffany wilson, abc7 news. >>> today residents of treasure island were told there would be more radiation testing done to verify the safety of their homes. nick smith is live from treasure island with residents. reporter: we're talking about those that live in the units behind me. they fear their homes may by contaminated, and officials are taking those fears seriously. that's why starting june 12th june 12th each unit that you see on this map will be scanned for possible gamma radiation. >> it's so close to our home. and you know it. and you just let us sit there. >> s toes of treasure island residents spent the day pressing state officials for information about possible health risks. >> i'd like to see them take these people, including myself, relocate us even temporarily until the redevelopment is finished. reporter: hundreds of families are continuing to live in building separated by wire fencing. >> i'm not sure about all of that is being said. so i just ask as many questions as i can. >> members of the media were not allowed to hear what she asked. before the meeting started officials moved me, my meiko flown and our news cameras to the next

tiffany wilson, abc7 news. >>> today residents of treasure island were told there would be more radiation testing done to verify the safety of their homes. nick smith is live from treasure island with residents. reporter: we're talking about those that live in the units behind me. they fear their homes may by contaminated, and officials are taking those fears seriously. that's why starting june 12th june 12th each unit that you see on this map will be scanned for possible gamma radiation. >> it's so close to our home. and you know it. and you just let us sit there. >> s toes of treasure island residents spent the day pressing state officials for information about possible health risks. >> i'd like to see them take these people, including myself, relocate us even temporarily until the redevelopment is finished. reporter: hundreds of families are continuing to live in building separated by wire fencing. >> i'm not sure about all of that is being said. so i just ask as many questions as i can. >> members of the media were not allowed to hear what she asked. before the meeting started officials moved me, my meiko flown and our news cameras to the next

tiffany sessions. she vanished more than a quarter of a century ago. the fbi says it's the largest in florida's history and "48 hours" tracy smith shows us the long battle doing everything to get out of it. >> reporter: for 25 years pat sessions has been searching for his daughter tiffany. >> i pushed and pushed so many people for so long they don't know how long i'll do it. >> reporter: it all began on february 9th, 1989, when tiffany, a junior at the university of florida, went out for her daily power walk and disappeared. jim eckert was one of the lead investigators in the case. >> we didn't have a body, we didn't have a weapon, we didn't have a witness. this woman literally vanished off the face of the earth. >> reporter: at the time, sadie darnell was just a young cop. even though she was never actually assigned to the case, sadie would mail and fax pat words of encouragement. >> september 15th, 1995, patrick, i know this must be difficult for you to maintain a constant struggle for tiffany's case. >> i always believed it can and will be solved. i have loyalty to you. the overall goal is for you to have tiffany back. >> reporter: throughout the yea