. >> t.j. jepconer 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. it's moving. nobody believes me. >> they really didn't believe him. and then my brother-in-law, dave, said, "t.j., no, you need to look up." i'm like, "no, you guys are razzing me." "no, look up." i turned my head -- you got to be kidding, what is this? >> i was very excited, screamed to t.j., telling him to get a camera and film it. >> i got it on tape! i have it! >> do you have it? yes, i have it! sounds like "seinfeld," i got it on tape. >> three bright lights are hovering above tinley park. >> when you zoomed in on them, it became different colored lights -- blue, green, red, white, yellow. it was hard to actually get a solid picture where there was some consisten