rachel brady: she was very athletic in high school. she was in gymnastics and softball and track. kate snow: the close-knit cousins spent the wednesday before thanksgiving together. rachel says there isn't all that much for teens to do in little falls, so they would drive around town in the red mitsubishi nick rebuilt himself. would you cruise right down the main drag here? pretty much everywhere. so just spending the day with no cares. yeah. kate snow: they all spent the night together at a friend's apartment. on thanksgiving morning, nick and haile left around 11:00 am. rachel brady: and then they said they were gonna go to my mom and dad's house. kate snow: the plan was to meet later at grandma's house. but nick and haile never showed up. kimberly and rachel tried calling them. is it strange for nick to not answer his phone? absolutely. even if i would have, like, called over and over again, he would've called, or answered and been like, what do you want? strange for haile to not answer her phone? extremely. she would have never not answered my phone call. kate snow: adding to t

rachel brady: uncle nickel baby. and that's all for this edition of dateline. i'm craig melvin. thank you for watching. [sinister music] . i'm craig melvin. and i'm natalie morales. and this is "dateline." long would you wait to get justice for a friend? he killed her. he needed to pay for it. craig melvin (voiceover): they'd been college roommates, super close, until that terrible night. that many wounds could certainly suggest rage at the victim. absolutely. craig melvin (voiceover): who could have done it, her boyfriend? something just didn't seem right. craig melvin (voiceover): her new friend? things weren't adding up. craig melvin (voiceover): her ex? he was very obsessed with angie. craig melvin (voiceover): the trail went cold for more than two decades, but she was sure she knew who the killer was, even got a private detective license to help prove it. i said, i'm a private investigator, and i need you to tell me where's the evidence, all of that. it wasn't well received at all. craig melvin (voiceover): finally, the break they needed. we got the match. craig melvin (voi

rachel brady: ever since i heard it, it's been replaying in my head over and over.