i got one minute left on the tape. >> many have tried to explain the tinley park lights, but years later the mystery remains. >> what happens if it's something bad? >> the weathermen's favorite one is it's the aurora borealis. the aurora borealis is, of course, an array of fast-moving brilliant colored illuminations throughout the sky. not lights that stay in the atmosphere. >> there are chinese lanterns. you would see it flickering or just moving with the wind. this didn't move with the wind. >> it's not a plane, it's not a helicopter. flares, no, because we would have seen smoke. that's what makes me think it's -- it's a ufo, unidentified. >> any way you look at it, it's a genuine phenomenon. >> from time to time, t.j. still scrolls through his footage looking for answers. >> figure out why tinley park, i have no idea. >> it wasn't until nine years later that t.j. says he stumbled across something he hadn't