over the years, a number of conspiracy theories have flourished. who pulled the trigger? were the russians behind it? was the cia involved? there s one conspiracy theory you may not know about. the belief president kennedy and his son, john f. kennedy jr., who died in a plane crash in 1999, are alive and hiding. it may sound preposterous but there are those who absolutely believed this. a group led by a qanon viewer, some have abandoned their spouses, parents, grandchildren. for the past year, cnn s donie o sullivan has been investigating what s behind this conspiracy. over the next hour, he takes us across the country to meet the believers, confront their leader, and spend time with the confused, frustrated, helpless families who just want their loved ones to come home. god bless america! word on the street is junior, jfk jr., will show up and introduce his parents. you re expecting jfk jr.? absolutely. the same time of day that jfk sr. was shot here in this spot.
man: if you were to have a son, would you encourage a political career for him? kennedy: oh, definitely. i would hope he would grow up to be if not a politician in the sense of devoting all of his time, i would hope that whatever he did do, that he would have some sense of responsibility for what went on. couric: when you hear him talk about that, do you ever feel like your choice not to pursue a career in public service might have disappointed him? -no. i can t imagine that he would have said anything different being asked that question under those circumstances. you know, he d always said that he thought everyone should run for office. and, listen, there s a lot of time in life to do all sorts of things. hey, everyone. welcome to how it really happened. i m hill harper. july 17, 1999, we woke up to shocking news. john f. kennedy jr., his wife carolyn, and her sister lauren were missing, last seen aboard a private plane headed for martha s vineyard with john at the con