case for decades, along with a team of investigators including detective jay elish, an fbi agent torsneykind of goes against your creek to be opening up the evidence locker and showing pieces of evidence to reporters. >> we feel that the benefit would be to show people what we have and what we are looking for. >> you're willing to listen to anybody about anything involving things they remember from back then. >> there's a lot of evidence, there's a lot of good work been done. but these things always involve one missing piece of the puzzle. if somebody could bring that to us, even now, we were happy to get it, and we want it. >> it is a piece they have been searching for ever since october 27th, 1989, the day amy 's mom came home from work to find her daughter missing, and called everyone in the neighborhood. >> and she sounds different? >> hysterical, hysterical, is amy there? is amy there? please tell me if amy is there. no, she's not. i am sorry. where is she? why, why are you looking for her? she never came home from school. she never came home from school. i, i do not know what to do