this is "nightline." >> tonight, a baby abandoned in a manger more than four decades was about 5 days old. >> now on a mission to crack his life-long mystery. the trail of faded clues and the emotional celebration. with the family he has never plus it was the trial that rocked the country. murder -- simpson. >> i'm not a bad person. >> the murder beauty, her famous husband, now theback in the spotlight. >> it was devastating for me. drama. it's a barbie makeover

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who left her baby in a d what happens in one jaw-dropping moment when he meets his family 44 years later. here's abc's elizabeth vargas.ould have been mistaken for a christmas miracle. instead, it was a mystery. >> this is where it all began for you. >> that's right. >> reporter: a newborn baby boy wrapped in swaddling clothes, a manger. part of this catholic church's nativity scene 44 years ago. >> i was about 5 days old. as to who abandoned him. his mother missing. but another mother watching over. >> i got a feeling like this might have been where my mothering to muster the courage to do it. >> reporter: on that silent night, left with only a handful of disposable by whom? two prayerful parishioners find him but it falls to katherine allen, a 23-year-old rookie with the houston children's

>> i laid him on my shoulder and he was quiet. >> at christmas in a >> exactly, what could be more dramatic? >> reporter: he would eventually be named d.j. williams. d.j. went from the manger to below the masthead as headline news. but if anybody knew hot mother was, they didn't bear witness. was there a plea for information? >> no one called. no leads to go on. >> what >> i would say she didn't want to be found. >> reporter: d.j. would eventually be adopted and grow up in a rural houston suburb with a loving mother, father, and older would never stop wondering about his humble beginnings. >> when i would be working on school projects or filling in family trees, i had to kind of make it up as i >> reporter: today d.j. is a manager at a starbucks inside a maryland. he lives with his partner, mike,

they were home watching television last year when they believed their prayers were answered. how'd you hear of pam? >> we had seen her on the isode with is phone booth baby. >> it was on this corner, 80th and columbus, this is the phone booth? >> reporter: it was the episode about louise jones. the woman abandoned as a baby in a new york city phone booth.with investigative genealogist pam slaton on the hunt for the missing mom. >> he felt connected to me. and said to his partner, that's ng to help >> how old were you when you finally got the full story of where you were found and how you were found? >> i was probably about 15. and i had been helping my and she showed me some newspaper clippings. >> reporter: we track the reporter of those old articles to hopefully shed some light. >> reporter: gary taylor, cub reporter on the evening crime beat in 1971.

5:00 p.m. on a wednesday. one of our photographers, came over to wherever you were and took this set of photos of you. >> looks reporter: next stop we take d.j. to see bennett greenspan, ceo of family tree dna. >> let's go and let's look at your e two people who came up matching his dna very closely. so the question then became, are these two people related? >> reporter: two dna matches. a man and a woman. when once again pam strikes gold. she figures out the man is d.j.'s uncle and that woman? she is d.j.'s i mean, that for me was christmas. that was mind-blowing. that it was such a direct dna r: pam calls her. her name is rose. >> i said, could you tell me what church your family attended? she said, i know that my mom

>> the church where d.j. was left? >> so that was like, wow. drives to baltimore where d.j. lives now to dlir the stunning news. >> what we found out is that person that matched you is your uncle. and your we were able to determine who your birth mother is. are you shocked?eah? >> i would say shocked. >> c.j. is your birth mother. >> oh, wow. i have her smile. >> yes. >> that's crazy. >> reporter: but pam has heartbreaking news about the woman in the , she passed away. she passed away in 2013.

the end of d.j.'s journey. because pam has found four the family d.j. has always longed to know. >> i'd honestly given up hope for the longest time. believe it. that's amazing. >> reporter: and in houston, s all set to meet for the first time in his life blood relatives. three half-sisters. >> hi! >> reporter: d.j.'s first hug, and it's a long hug, goes to rose. you. >> hi. >> reporter: authenticatety, robert, and finally kirsten. for the first time since he was left alone, d.j. is in the arms of theily he never knew. >> what are you thinking? >> you look like our uncle john. yeah.

is tension as well. has to tell them he was abandoned, left in a manger alone. >> i guess i should start with my story begins in texas.about 5 days old, i was found in the nativity scene of st. anne's catholic church. was left there because that was the safest place that i could have been left at that time. i was born in december. so it was around christmas time.i know that this information is a bit of a shock for you

"the houston post." i know this is a lot to take in. >> reporter: as for his birth mother, sadly d.j.'s born later, have no clue why she did what she did. but d.j. says he can live with that. >> i mean, for me it was about connection. like you're just floating in this sea and you don't have any anchor to hold on to. and so now i have something to hold on to. going on. >> reporter: for "nightline," i'm elizabeth vargas in new york. up next, how a host ofare recapture ing recent history in "the people versus o.j. simpson." later, new look after a major makeover. woman: i'

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if you're not old enough, let me tell you something. the o.j. simpson trial captivated this country.emed transfictioned on a baffling murder. the stunning blond. her husband, the nfl great, on trial for murder, denying it hollywood is taking on the case and what the actors thought about o.j. then versus now. here's abc's deborah roberts. >> we the jury in the tled action find the defendant, orenthal j. simpson, not guilty of the crime of murder -- >> reporter: before that verdict nearly 100 million watchedd police in the two-hour bronco chase.

let's go to a picture in los angeles -- >> reporter: it felt like a made for tv movie. now it iswo victims in brentwood -- >> brentwood? nobody gets killed in brentwood. >> reporter: the captivating case with its memorable cast of characters is back in an fx ten-part people versus o.j. simpson." cuba gooding jr. stars as o.j. simpson. >> this was the hardest role i've done. it took me a good month or so after finally get back into my right frame of mind. >> because i told them i had nothing to hide! >> reporter: simpson continues to claim he's innocentl his ex-wife, nicole ron goldman. the miniseries chronicles the nearly nine-month trial. canny simpson attorney robert shapiron travolta, his first television role in decaded. >> what was appealing about this to bring you back to tv? >> the material was powerful. the comments that it was contemporary

about the judicial system, about racism. >> reporter: another key player in the courtroom drama, no nonsense prosecutor marcia clark, played by sarah with that unmistakable curly hair which would become fodder during the trial. >> i too was going what are you doing?ike that? and the truth is, it was really just not the point. should not have been on my mind at all. >> reporter: who can forget am team, charismatic johnny cork ran -- >> i ain't trying to be respectful, i'm trying to win. >> are you a lawyer? >> yes, well, i but not criminal. >> reporter: david schwimmer transforms into simpson's close friend robert kardashian. >> why in the hell were you in there alone? >> i don't know,that point, nobody really knew much about robert kardashian. >> he's just a regular man who suddenly found himself, one year

notoriety, kardashian never lived to see the explosive fame his daughters and ex-wife would later enjoy. schwimmer says he spoke with learning things few of us knew about o.j.'s confidant. >> incredibly loyal and compassionate and generous. perhaps the most to me was learning that he was a man of deep faith. very religious man. i do think he was conflicted at k his feelings and beliefs did change in the course of the trial. >> reporter: in a documentary "the secret tapes of the o.j. er recalls watching her ex-husband's face as the verdict was announced. >> i think he was shocked. he was definitely stunned. i mean, you could look at his knowing him my sbif liar entire life. i know that he was floored that that was the verdict. >> reporter: one of schwimmer's scenes was filmed in theormer home.

give me the gun! >> what was that scene like for you? >> one of your closest friends has a gun to his head,mself. what do you do? do everything you can to stop it. flees police with his friend a.c. cowlings behind the wheel. this is the call to police -- >> this is a.c., i have o.j. in the car, he's still alive but he's got a gun to his e tell people we were doing a tv series on o.j. simpson they say, "let me tell you where i was when the bronco chase happened."topped alongside the road -- >> do you remember where you were during that bronco chase? >> yeah. watching the knicks game. then they cut into the bronco and the screen and everybody's like, that's o.j. simpson! he's got a gun in his mouth! >> reporter: two hours later, with the nation transfixed -- >> here he is now, the carhe driveway --

his brentwood mansion and soon under arrest, charged with murder. >> we do have sufficient evidence to convict him andt beyond a reasonable doubt. >> reporter: in an instant, marcia clark is thrust into the blinding limelight. >> she had the courage of her convictions and wanted to go the distance to make sure that this man was put away. anddden be thrust on the national stage and have the predominant conversation be about what she looked like. and her manner. and was she feminine enough. was she ch. >> good morning, ms. clark. i think. >> reporter: the series shows how a rial soon becomes a racially charged courtroom drama. >> 70% of whites thought o.j. was guilty. 70% of blacks thought he was his film shatter your perceptions one way or another? >> for me the biggest discovery was the things that were not submitted to court. the furman legal battle behind the scenes. >> reporter: which includes the

>> mark furman -- >> reporter: pointing fingers at lapd, which has a history of alleged misconduct.ccused of planting framing simpson. >> did you plant or manufacture any evidence in this case? >> reporter: the actors hear the real explosive audiotapesdetective mark furman spouting racial slurs like this. >> first thing, anything out of a [ bleep ] mouth for the first five or six sentences lie -- >> mark furman is a lying, perjuring, genocidal racist. >> the bile that this man said about blackwas -- the frustration and anger i felt. you know, having sons --s that are now at that age where they have to deal with not just gang violence but police brutality.

>> sir,w! >> reporter: the miniseries triggered personal emotions around race and police encounters. >> i'm going to have to cuff you. >> reporter: vance, married to actress angela basset, says helates to his character's struggles. >> how did that impact you as an actor? >> we live in a very nice neighborhood. and it happened to me. came to our house and they had heard that somebody was pacing around the neighborhood. i come outside and they scream "get on your knees! hands behind my back. would realize and recognize that they had made a mistake. but the difference is, in life, as what we're seeing nowadays with all these episodes inand the ferguson case, we should not be rehashing this. that's why i think it's so important that we're doing this project. >> and more is involved since we agreed to the project.r it seemed to escalate. >> reporter: with the spate of

brutality, the simpson story may strike a chord with viewers ande question many are uncomfortable with -- >> did you come away with a stronger opinion about whether he's guilty or innocent? are you convinced in your mind now? >> no. >> what the truth is? >> no, convinced either way. you know, he was found innocent by a group of his peers. but my opinions are all over theeporter: for "nightline," i'm deborah roberts in los angeles. >> "the people versus o.j. me story" premieres february 2nd on fx. up next barbie's massive makeover. these new dolls hitting the transformation. e trade is all about seizing opportunity. so i' m going to take this opportunity to go off script. go to jersey and check out shotsy tuccerelli' s portfolio, what' s it to you? or i' m a scottish mason whose assets are made

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he's 57 years old, blond, impossibly thin, yet oddly curvy. doll, these a corporate franchise worth $1 billion a year in sales and 92% of young girls have owned one. when b gets shorter, and changes skin color, it's a very big deal. the blond bombshell of a doll that set unrealistic beauty standards for more than five decades is getting a s one looks like me and this one looks like my mom. >> reporter: barbie will come in three new body types. tall, petite, and curvy.ew complexions. mattel telling abc news barbie's ability to evolve and grow with the times while staying true to her spirit is central to why

doll in the world. many of their customers agree. >> seeing these changes, it really makes me think beautiful. >> and she is beautiful. thanks for watching. tune into gma tomorrow. as always we're online on ourebook page and at abcnews.com. good night, america.