when nailah franklin vanished, her family was frantic to find her. a trail of clues led detectives to one of chicago's most exclusive neighborhoods, but with those clues lead them to nailah? here is kate morrison with "smoke and mirrors." >> it was hot in late after midnight, september 2007. >> it was clear, dark, still, and vacant. here for the deep word -- woods fought back against declining suburban sprawl, then nothing was clear at all. >> i never cried this violent cry. >> you are experiencing everything but it's not you. you're just waiting to wake up. >> it feels like you are in a nightmare. >> yes, still does. the name, you will want to remember, is nailah. this is nailah's mother, maria. >> she lived her name. >> quite true as had the rest of them in this big family. this is leah, the firstborn. >> we might need a graph or chart because it is kind of involved. >> full siblings, half siblings, quarter siblings once removed, that sort of thing. very blended. >> that what is offensive to me because to me it implies that it's something less than