there were a whole bunch of rumors going around about dj and his family. and that things were not going well in their relationship and that they had just broken up, i think, ten days they said before she went missing. so nicole was a bit taken aback when she spotted the ex-boyfriend while she was out covering the story. she saw him in a crowd of searchers. as a reporter, i felt like i had to talk to him once i knew who he was. but i also was a little cautious to go near him because i was, like, what if he actually had an involvement in this? investigators, who were working around the clock in hopes of finding sarah alive, heard about the ex-boyfriend. did he need to be looked at? i think everybody should be looked at. because when you don t know what happened, you can t exclude anybody. there was an anonymous call on the crime stoppers tipline. detectives learned a strange and disturbing story about the ex-boyfriend, dj, and his mother. apparently, the break up with sa
heard about brandon s brother posting this picture on social media. and the brother also mentioned in another post that sarah had been at their house the night she went missing. so brandon s brother had posted his bloody knuckles on facebook and said that sarah had been there? well reporter: is that odd? there were there were two different posts on two different days. reporter: the posts, she says, were not related. the picture of the knuckles had nothing to do with sarah. he was not there the night that this occurred. he s not at the party with these kids. and he wasn t at the house with them watching the hobbit. reporter: detectives chased down more tips and questioned more people. but so far nothing was bringing them closer to finding sarah. so they pressed on. along with her ex-boyfriend and her new friend brandon, detectives were looking at someone else. they asked him to come to the station. he goes from mr. nice guy to we know you know where she is. smack
and something else he didn t understand at the time, handprints. he agreed to both. did you have anything to do with sarah s disappearance? no. reporter: brandon says he had only met sarah a few weeks earlier. he did know her ex-boyfriend dj though, and had heard about the breakup. he and dj had gone to high school together. were you friends? we were acquaintances. i would see him around school and outside of school and stuff. he was all right. was he, kind of known around the school because of yeah his athletics? yeah. i would say so. did sarah ever talk about him? no. she didn t really mention him because i m pretty sure when she started hanging out with us that s when they first broke up. reporter: and brandon says sarah didn t seem worried about her ex-boyfriend or anyone else that night. instead she looked happy and carefree as she left his house around 1:00 a.m. she goes on home. and that s it? that was the last time i ve ever seen her. reporter:
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of her family to say goodbye. yes. it s a big pill to swallow. you helped her get ready. for her night out. and i painted her nails. yes. you never could have known. you never know. you should always tell your loved ones you love them. you really don t know. reporter: his deep sorrow was clouded by anger and suspicion. now that the search for sarah was over, it was time to find her killer. so far detectives had made no arrests, but nick had his eye on someone. he was the only one. that i just wanted to rip his heart out of him. coming up that s a big deal? tremendous deal. a telltale piece of evidence. it s almost like it was the killer s calling card.