we continue now with the disappearance of megan nichols, 15 year old megan nichols is missing. and for police, the strange clues she left behind in the early stages pointed to someone very close to megan's own father. >> megan's father, jackson, had some some warrants out against him. he was of age and the young girl was not. >> at the time, megan's dad had faced accusations of being a sex offender years before they arrested him. >> they asked him if he knew where where megan is. i had 1512 armed men show up and say, where is your daughter? you are under arrest. >> jackson nichols openly recalls the day u.s. marshals picked him up near tulsa, oklahoma. nichols was thrown behind bars, held on a federal warrant, listing him as an unregistered sex offender. but it all turned out to be a strange mix up based on an accusation, and dismissed charges. that's bull. >> that story sucks. you are full of crap. >> and then a clerical error that never cleared him. >> literally. >> within five minutes my case was dismissed and i was escorted out the door. >> jackson was eventually cleared as