dr. lawrence tucker. dr. tucker let me begin with you. your area of expertise is at the heart of this. lubitz's doctor says that his vision problems were psychosomatic. in other words, to oversimplify it it was in his head. it was a psychological problem as opposed to a physical one. how is that possible? >> well when you have an anxiety disorder like it sounds he had, ptsd multiple traumas, he was very anxious. so anxiety and depression can present itself in a psychosomatic way where you get overfocused with body sensations, everything from eyes vision bodily functions and even diarrhea and stomach issues. another thought is if he's very anxious and going through depression does he have a problem sleeping and dehydration? that can cause visual issues as well. >> it's incredible. literally, you can't see even though it's in your head it's not a real vision issue. i think it's incredible and hard for many to understand. the prosecutor said lubitz had suicidal tendencies even before he got his pilot's license. obviously he wasn't being completely honest on the suicidal tendencies how was

dr. tucker confirmed that 55 of the things ryan said were true. of course, a lot of people are going to say, come on, this is the parent or somebody else feeding them information. >> it's inconceivable that the parents for some reason had done all that. this information wasn't on the internet. >> reporter: but there was one fact that scientists thought ryan had wrong. >> he said he didn't see why god would let you get to be 61 and then make you come back as a baby. that looked like just an incorrect statement. >> reporter: that's because martin's death certificate says he was 59 when he died. >> since then, i've gotten information that the death certificate was actually incorrect, which would have made marty martin 61 when he died. ryan was right all along. >> reporter: are you glad you've had this experience? >> yes, i am. >> reporter: a chance he says to live his own wonderful life. cynthia mcfadden, nbc news, tulsa, oklahoma. >> one to ponder, isn't it? >>> we're back in a moment with the cheating scandal that has parents climbing the walls, qu

dr. jim tucker a child psychiatrist at the university of virginia. 50 years the school collected more than 2500 cases of children claiming past lives. >> your conclusion after 15 years is what? >> these cases demand an explanation that we can't just write them off. >> he's written about them in his book "return to life". >> had you ever given much thought to the thought of reincarnation? >> i grew up in a baptist church. it's not something we believe in. >> the man in the picture was identified. his name marty martinment like ryan said he was a formerer actor turned ood agent who danced on broadway was married five times and even lived on red soxb -- red soxoxbury drive. 55 of the things were true. >> people would say this is a parent or someone else feeding then information. >> it is inconceivable the parents would do that. this information wasn't on the swerntment. >> reporter: there was one fact the scientists thought they had wrong. >> he said he didn't see why god would let you go get to 61 and come back as a baby. >> reporter: martin's death ce

dr. jim tucker a child psychiatrist at the university of virginia.onclusion is what? >> these cases demand an explanation that we can't just write them off. >> reporter: he's written about many of them in his book, "return to life." but he says few of his cases have as many details as ryan's. >> how he had danced on broadway and then had gone to hollywood to work in the movies. then he hit work for an agency. seeing the world from big boats. he talked about going to paris. all of this, frankly, seemed quite unlikely to me for an extra with no lines in the movie. >> reporter: ryan also remembered that he had two sisters, that he was married five times and lived on the street with the word "rock" in it. he even asked his mother for a brand of orange soda discontinued 50 years before he was born. >> it would be i want to go back to my swimming pool. when i wanted to go somewhere, i went down and saw the boys down at the bank and i went. >> reporter: a life of a hollywood mogul, not of a child. >> exactly. >> reporter: it took the work of a archivist to

dr. tucker. >> he said my daughter will get to be 60 and come back as a baby.hen he died. >> since then i got information that the death certificate is incorrect. he was 60 when he died. >> he was just lying about his age like everybody else. >> it was a typo or who knows. >> are you glad you have this experience. >> yes, i am. are. >> does it feel real to you now that you are 10? >> i still feel like it's real. >> a chance to let go of the past and just be a kid. >> so ryan headed off from the interview to play paint ball. you can read more of the 55 specific facts he got right on today.com. it may be lucky guessing or maybe we need pay more attention. >> too many details for it to be just guessing. >> i went into it saying uh-huh. >> did you actually go like that? >> it's my skeptical raised eyebrows. >> that's amazing. >> it's interesting and the university of virginia they didn't make the college basketball. >> they are in my bracket. >> that and reincarnation. >> and the 10-year-old as the agent. >> back in 15 seconds with easy . >> we are back with the st

tucker. we know who dr. martin luther king is john lewis. but mr. markable in leading the original campaign. and mr. tucker, i want to ask you. you were such an integral part. what does it mean to you on the 50th anniversary to have thousands in this city again ready to cross that bridge. >> i hope they stick with us and produce something. we need someone to look back and help us grow this city. and help -- >> now, sir, you and so many have sacrificed so much to fight for folks not just here in selma but across the country. when you look around when you see young people taking up that fight and other people who are, you know joined together to keep pushing for rights. how does it make you feel? >> makes me feel good? continue to fight -- we have so many that will not go and -- >> wow. there's this picture i've seen of you and you're standing in the background. you're watching over with dr. king and they're kneeling down on the ground and you were standing watch over them. do you remember those moments and what that time felt like? >> yes, i remember.