>> reddish illuminations in the sky. >> it looked triangular in shape, and at each corner it had what looked like a red l.e.d. light. >> and it's all caught on camera. >> i got it on tape! i got it! >> it was the evening of august 21st, 2004. people were reporting in volume three reddish illuminations in the sky moving in a triangular pattern. >> what the hell is it? >> you know what, i have no idea. >> t.j. depcon and dave wagner are at a block party that night in tinley park, illinois. >> we were just having a couple of beers, maybe eat something food, and having a good time. >> but the events that are about to unfold are not, he says, witnessed through beer goggles. >> my son, justin, said, "look, there's strange lights," i believe. >> a ufo.