The sightings have garnered Tinley Park - population nearly 60,000 - national attention from those who believe we are not alone in this universe, and skeptics who poke fun.

They were the topic of a daylong panel at the Tinley Park Convention Center in March. Now they'll be the subject of an episode of The History Channel's "UFO Hunters," in which a team of investigators tries to separate fact and fiction when it comes to unidentified flying objects landing in your back yard.

Since its debut in 2005, the show has examined cases including a deadly dispute between Mexican and U.S. authorities about a collision between an unknown object and a civilian aircraft and whether the U.S. government is competing with extraterrestrials by using their downed spacecrafts to come up with modern technology, such as fiber optics and night vision, among other topics, according to the show's Web site at www.history.com.

But the "UFO Hunters" crew's visit to Tinley Park is top secret. So much so, the filmmakers won't divulge any details, not even when the team will scour this south suburb looking for evidence and witnesses.

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