The Dardeen family met a truly disturbing end in their small town of  Ina, Illinois in 1987. More than a decade later, a serial killer sitting  on death row in Texas would claim he committed the crimes, along with  more than 70 other slayings. Yet the truth of the Dardeens’ final  moments remains as uncertain today as it was on the evening of November  18, 1987 when police first discovered their brutalized bodies.