At him. Reporter and three others she encountered that night i was scared. Reporter how many times did they talk to you . 30 plus reporter two tantalizing clues. A handprint. The subject had blood on their hand. Reporter and a trail on twitter. Incredibly powerful. You can almost see this happening in real time. Reporter could she help solve her own mystery . Shes fighting him off. It was so emotional. I wanted to jump out of my seat. Never in a million years would you expect Something Like that. Im lester holt and this is dateline. Heres Andrea Canning with finding sarah goode. Reporter on long island, about 10 miles down the shoreline from the mansions, the fancy cars, and the elites of the hamptons, is a blue collar beach town some call the poor mans paradise. but life was rich for these brothers and sisters in mastic, ny filled with the love of a large tightknit family. All that was taken away one warm evening when evil rolled in with the summer tide. Their youngest sister was missing. We just want you to come home safely. Reporter and for better or worse, this family would go to extraordinary lengths to find her. Were going to scour those woods right now. We were our own investigators. Heres me and five of the biggest guys you could probably imagine, knocking on your door. Were wanting answers. If you do not have a group, one right here. Reporter you ever seen so many people so involved in a case before, nonlaw enforcement . Gratefully, no. Missing person cases, especially missing girls, they always get everybodys emotion, you know, because its just so horrible. I always tell her im sorry that it happened to her. Reporter 21year old sarah goode was the little one with the big personality. Her older sisters, samantha, lizzy, tabitha, and jennifer, say even though sarah could take care of herself, they still saw themselves as her protectors. Was everyone kinda looking out for her, her being the baby . Always. Yeah. How many children in your family . Well theres nine of us. Nine siblings . Nine siblings. 20 grandchildren. 20 . Yes. Oh, my goodness. How does your mom keep up . I dont think any of us keep up. Every day theres somebody asking, how many of us are there again . Reporter Seven Sisters and two brothers. Jennifer, who was 12 when sarah was born, fondly recalls that day. I just remember going to the hospital after she was born. And mom let me change her first poopie diaper. So she was, like, your little baby, too, it sounds like. She was. I would wake up with her in the middle of the night and feed her. That is a sign of a big family when big sister is feeding the baby in the middle of the night. Yeah. And she screamed until you stuffed the bottle in her mouth. Reporter as sarah grew older and her siblings started to marry, her sisters husbands also looked out for her. Her brotherinlaw, nick giannetto, appointed himself chief protector. He met sarah when she was just 3yearsold. She was very outgoing and talkative and very fun to be around. Whenever i cooked something, she was right next to me and wanting to learn how to do it, or or taste it. You two really bonded . Oh, yeah, absolutely. I was always there for her, and if someone bothered sarah, sarah would definitely come to me and and let me know. I heard a little story about you. About . Big, strong nick would paint sarahs oh, sarahs nails fingernails . Yes, yes, yes. Where does that come from it was just you know some of the sisters would always be painting their nails. And, you know, me owning a Hardwood Floor business, being very particular in how i laid my finish out and how nice and neat everything had to be, i said, you know what, how hard could it be to paint a fingernail, you know. Reporter it was just another way nick took care of sarah. But even under watchful eyes, the unexpected can happen. And it did. After a long romance with her high school sweetheart, at 17, sarah got pregnant. Was she excited to be a mom . Yeah, she was. A little nervous, but everybodys nervous the first time theyre a mom. But she had so much experience. You know, her sisters and brothers having so many kids. She was always babysitter number one. Reporter Allaura Cicero and sarah grew up in the same neighborhood and quickly became best friends. Allaura says she was especially happy to hear sarah was having a girl. I was like, oh, youre going to have a little sarah. Like, shes going to be just like you. And turns out thats what happened. She always put jocelyn first. Everything was always about jocelyn, as it should be. Reporter jocelyns dad couldnt be there when she was born. He had joined the army and was deployed overseas. When he returned home, it became clear his relationship with sarah wouldnt survive the challenges of grown up life. Im not really sure what happened there. I guess they grew apart. Reporter sarah was now a single mom raising a baby girl on her own with the help of her family of course. She was like a natural mother. You know, she knew what to do and how to take care of her and love her up every second. And thats what she did. It had to be easier for her, too, with all of you . Oh, yeah. Uhhuh. And then all this family she had builtin babysitters. Sarah didnt let teenagemotherhood stop her from following her dreams. She graduated from high school. And then she went to college and graduated from there. Reporter she landed a job as a medical technician and still managed to be a hands on mom to her now 4yearold daughter. Happy birthday dear jocelyn describe sarah when she would see jocelyn. Her eyes would light up. Even for not seeing her for an hour, like when she, like, held jocelyn and kissed her on the cheek and stuff, you felt it in your own heart. It was amazing. Sarah was a great mother. You know, she really stepped up to the plate for jocelyn. Reporter so did nick, who was jocelyns godfather. He was there for her first halloween. Look at big uncle nick, you know, carrying jocelyn to her first house, you know, getting candy. Reporter and he helped in other ways. Like when sarah decided she needed to buy a car. Okay. What kind of car you want . I want a bmw. I want a bmw. Reporter it just so happened, one of his friends was selling a 1999 bmw. We go over there and look at it. You know, she loves the car. And im like, you know, let lets just sit back, you know, a day or two. Think about it, you know. Because they break down. Its expensive to fix. No. I dont see her sitting around, thinking about it. No, not at that age. She comes over, like, two days later shes like, youre coming with me to get this car right now. I want that car. Reporter and so she got it. Did she post her brandnew bmw oh my god all over social media . All over social media. Was that how you could tell sarah was happy . By looking at her instagram, twitter, or facebook . Yes. Besides that, she was just so happy all the time. You know, to get her to be mad was very hard. Reporter and on the night of friday, june 6, 2014, nick says sarah was happy. She had recently broken up with a boy shed been dating for two years and was looking forward to a night out with friends. Nick had agreed to babysit jocelyn and nothing seemed out of the ordinary when sarah came by his house to drop off her daughter. I had came home from work. And shes like, paint my nails. And i was like, ah, leave me alone. Im im tired. Im going in the shower. She was like, no, i want you to paint them now. So i was like, all right, come on. We laughed and we talked and, you know, she was going out for the first time in a long time. Reporter before she left, sarah posted on instagram a smiling selfie showing off her freshly painted nails. Did she have any parting words when she left the house . Ill see you guys tomorrow. I love you. Kiss, kiss, kiss. Jocelyn, kiss. And very happy. Got in the car and left. Reporter but nick didnt see sarah the next day. No one did. She was supposed to pick up her daughter at a Family Birthday Party, but she never showed. And all calls and texts to her phone went unanswered. Thats got to be an awful feeling. Yes. In your mind and in your heart your soul youre saying to yourself, this is not normal, you know, this is not sarah. When we come back i need to report her now. The first clues to the mystery. Her car near the woods. What was it like seeing her car there . It was scary. It was hard and scary. Her messages on social media. Is someone following her . Did someone attack her . Very creepy what she posted. Very creepy, yes. Very creepy. To the most romantic day of their lives, im there. Each piece of my jewelry collection is designed with lovers in mind. The vera wang love collection, at zales. The diamond store. 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When you see that the work creates a feeling in a kid, feels great. And its addictive, you want to keep doing it, you know . On saturday, june 7, 2014, single mom, sarah goode, didnt show up to a Family Birthday Party where she was supposed to pick up her its heartbreaking when you think that a little girl wants to talk to her mom and you cant find her . Uhhuh. Reporter when sarah still hadnt appeared by sunday afternoon, lizzy went to the Police Station to report her missing. I said, i need to report her now. Reporter that report set things in motion. Prosecutor Janet Albertson, who was brought on to this missing persons case from the beginning, learned that on the day sarah was a noshow at the party, a woman had spotted a blue bmw abandoned next to a wooded lot. A Police Officer had responded to that location, thinking that maybe this is a stolen car, the plates were were bent. Reporter albertson says the bmw was found less than a mile from sarahs mothers house where sarah and jocelyn also lived. When the officer, ran the plate number, it came back to sarah goode with an address. And after that, he went to sarahs home and there was nobody there because as we would later learn, they were at the birthday party. Reporter around the same time lizzy was at the Police Station, that officer noticed the abandoned car was still in the same spot. The officer radios it in again. And at this point now, sarahs family had reported her missing. So things were really clicking now. Exactly. And once it came back as a missing person, well now theyve got a reason to really pay attention. Reporter and her beloved car was the biggest clue. Detectives needed the spare key, so they headed over to sarahs house. Her sister jennifer was there and she desperately wanted to know, where was the car . I just remember overhearing one detective tell the other detective that the car is in Eagle Estates. And then i was on the phone with nick. And thats when i told him like he said the Eagle Estates. Then we all followed them. You went straight there to where the car was . Right. They told us not to go follow them and i said i dont care if you have to arrest me. Im following you. Reporter Eagle Estates was a place they knew well because it was so close by. A large entourage of sarahs family headed over there and tried to approach her bmw, but police wouldnt let them get too close. What was that like, seeing her car there . What did that it was scary. Tell you . It was hard and scary. They wouldnt let us go to it. They would not let us near it. Reporter the police had a job to do, so things got heated. Sarahs sisters say they shouted at detectives and detectives shouted back. We were yelling at them. I was like, open the trunk. Yeah, we were yelling they were like, were not touching it. Is she in there . Were not doing anything until you leave. They were yelling at us, you guys have to leave. But did you say, no, im not leaving . Or did you leave . Yeah. We did, but then they threatened they would arrest us. So obviously we dont want to be arrested. So we we did leave. And we kind of left. Kind of because we kept on circling around in our cars instead of our feet. But i wasnt going to leave her if she was in there. Reporter later that night, the family finally got some answers. Detectives told them, sarah was not in the car. Were you trying to hold onto hope . Yeah. Trying to, yeah. Reporter hope turned to action, and the family got organized in a big way. Everybody came to my house. And then we we just started searching, just anywhere we thought to even just go, we just went. How many search volunteers are we talking about . There was at least 200 the first day. Pretty humbling because you can see how many people that she touched and cared about her. Yeah. We just put it together in an hour on, you know, social media and this is how many, how many people we have right now. But theres more people on the way and theres already people searching. Reporter beyond searching, this large family started its own investigation, making calls and combing through social media. Checking facebooks, make sure she didnt update anything. Reporter the professional detectives were also looking at sarahs online life, piecing together clues from the friday night she went missing. They started with that picture she posted on instagram of her freshly painted nails. They learned she was at nicks house around 6 00pm. And from the picture, they could see what she was wearing. She had on tank tops and this very unique tank top over it with an owl face and her little headband. Reporter police then confirmed that after sarah kissed her daughter goodbye and left her brotherinlaws house, she drove to a friends place. She hooked up with a a friend of hers, a childhood friend by the name of jason flores. Reporter a timeline was coming together. She picked up jason in her bmw. She and jason had referred to each other as cousins because they had been neighbors growing up when they were younger, but they had drifted apart. She had really just kind of connected with jason about two weeks before. Reporter at 6 51 pm, a second selfie. Jason took a selfie of the two of them where you can see sarah driving. And shes so happy. I mean, she was just beaming, you know. She just looked like a happy kid, like, for her first night out in a while. Reporter they picked up brandon allen, a good friend of jasons and a new friend of sarahs and headed over to a small gathering, a dozen or so young people hanging out in this front yard. Investigators estimate they stayed there about 40 minutes. Before they left, they took this group shot at 10 18 pm. Thats sarah in the pink sweatshirt next to jason. Where does she go . Does she go home . No. At that point, she and jason are going to go back to brandons house. And he lives on only around the corner. So, sarah drove jason and brandon back to brandons house, where they watched the hobbit, a movie. Reporter around 1 00 in the morning, jason, sarahs childhood friend, wanted to leave. Sarah agreed to drive him home. After she dropped him off, he sent her a text at 1 17 am. Basically saying, are are you home okay . And she responds, yes. And we know thats on jasons phone, jasons phone, because the police have taken his phone to to download the information. Reporter all this seemed routine, then something ominous. On sarahs twitter feed, her brotherinlaw nick learned that days before sarah went missing she had tweeted, so, you know i live on a dead end. I see you creepin. and a second one, getting threatened for days now. Is that the new thing to do . That end part really is the one that that got to me. Like, was someone following her . Did she get to the house and someone attack her . Its a dark, dead end, very dark where she parks. Theyre very creepy, what she posted very creepy, yes. Very creepy. Reporter no one had any idea who or what she was referring to. There were so many questions, and sarahs brotherinlaw wanted answers. With the help of some large friends, nick went looking for anyone who was with sarah the night she vanished. He sounded more like a detective than a floor refinisher. Who was she talking to, whod you see her talking to, whod you see her last leave with at the party, who she who she was socializing with. I mean, youre big, strong nick. Did you want to be like, you know what . I want to put this to use and go find out some information here . I did. Were wanting answers, you know, and heres me and five of the biggest guys you could probably imagine, knocking on your door. Was anybody getting you really hot under the collar . No, no. I wasnt getting nothing from anybody. So thats got to be frustrating in itself. Yes. That nobodys standing out. Nobodys standing out. Everybody was really, sincerely telling the truth. Reporter but there was someone in particular nick wanted to question, sarahs exboyfriend. Their twoyear relationship had just ended, and sarahs family was getting suspicious. No one can say what was really going on between them, why they split. But we thought we knew him well enough to you know, we thought he was a great guy, and she loved him. You dont know everybody. You dont know exactly what someone is capable of doing. You dont. Its not easy to just trust people that way. And he didnt show up to work the day after . Yeah. She went missing . Uhh, hmmm. Coming up new questions about the ex. Reporter dj had left a ire there were rumors going around about dj and his family. The mother had threatened her. The detective did say, nick, you really cant trust nobody at this point. When dateline contin