. >> reporter: he grew up as paul joseph fronczak a happy, healthy child in suburban chicago. be a picturesque american life. until at age 10 paul went snooping for christmas presents. >> i found this box in the craw space. and i opened the box and it wasn't presents it was actually newspaper clippings. and the stories were about me. about being kidnapped. >> reporter: the clippings told the story of a kidnapping from a chicago hospital on april 27th, 1964. a young child, only 30 hours old, was taken from a mother who had just given birth. it was a story that captivated the country. >> someone came in dressed like a nurse, and told my mom that a doctor needed to see the baby for some tests. so my mom looks and sees a nurse, hands the baby over. and the baby's gone. it's vanished. a little while later someone comes in and says the doctor needs to see your baby. and my mom says, you guys have my baby. and they're like, no, we don't. then that's when everything just fell apart. >> reporter: the fronczak parents held news conferences, while the fbi looked everywhere. examining 10,0