Killer Stories with Harvey Guillén - The Cheerleader Murder: A 1980s High School Clique Turns Deadly

Episode Date: March 2, 2026

Desperate to fit in, a teenage girl targets the most popular student at her school. The way she sees it, they can either be friends – or enemies. Sources for this episode include:“Death of a Chee...rleader” by Randall Sullivan, reprinted in Best of Rolling Stone A Killer By Design by Ann Burgess The 1980s: The Deadliest Decade “The Cheerleader Murder” Keep up with Killer Stories! Instagram: @killerstoriespodTikTok: @killerstoriespodX: @killerstorieshq Learn more about your ad choices. Visit podcastchoices.com/adchoices

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Starting point is 00:00:06 Today's story reminds me of a simple fable from Japan. A young crab becomes utterly frantic when the tide retreats, convinced the sea is disappearing forever. The older crabs calmly wait, knowing the tide always returns. That's the power of inexperience. The prism of adolescence makes things like fitting in or getting the right invitation seem way more intense, way scarier, or way more important,
Starting point is 00:00:35 than they really are. But what happens when that teenage panic, that conviction that the tide is never coming back, drive someone to a permanent, unthinkable act? This is a story about the devastating cost of misplaced desire for belonging, amplified by the panic of youth and the tragic final price paid by an innocent girl.
Starting point is 00:01:06 I'm Harvey Guillain, And this is killer stories. It's 1984 in the wealthy town of Orinda, California. Well, that means popping your collar on your eyes-out shirt, getting those bangs nice and crunchy, and jettling around in your beamer. Nestled in the Berkeley Hills, Orinda is full of picture-perfect homes along manicured streets.
Starting point is 00:01:51 If you live here, you've made it. But there's this underlying sense that if you want to really belong, you have to look the part, especially if you're a student at Miramonte High School, a microcosm of the richest little town in America. The students drive better cars than teachers. There's justice for you. Walking the halls is like stepping into a Lacosse catalog.
Starting point is 00:02:16 To a lot of kids here, nothing is more important than getting in with the right click. That determines your status. And at such a competitive school, it could also determine your future. Whether you get into certain sports, the right clubs, the best colleges, here, the pressure to conform is inescapable. Just as 15-year-old Bernadette Prattie.
Starting point is 00:02:40 Bernadette is absolutely a part of the popular crowd. She's smart, blonde, and pretty, a cheerleader, and an academic, but she's not a typical cool kid in Orinda. Unlike other high-powered executive dads in town, Bernad's father is older. He's a retired engineer and supports a large family. The proddies are definitely middle class, but not upper, upper middle class. So Bernadette makes do.
Starting point is 00:03:08 She wears all the right brands, but her clothes aren't always new. She styles her hair herself instead of going to the salon. She may not exactly look the part, but after years of living in Orinda, she's learned that her personality will win people over. She's cute, but unassuming, and her reputation as, the nice girl has secured her a spot on the fringes of the cool click. From her position on the outskirts, Bernad has an up-close look at what life is like for the it girls.
Starting point is 00:03:38 They seem to have it so easy, practically gliding through the halls. And no one embodies that untouchable aura, quite like Kirsten Kostas. Her father is an executive at a large company, and her mom stays at home, make sure her kids are set up for continued success. Growing up, Kirsten had access to all the perks Rinda had to offer. She belonged to all the right social clubs,
Starting point is 00:04:04 wore the newest clothes, always had cute hairstyles, not to mention, she'd won the genetic lottery. She was gifted athletically too. Kirsten made the varsity swim team and secured a coveted spot on the cheer squad. Excellence came to her, naturally. To anybody who's not a popular kid,
Starting point is 00:04:24 probably no obvious difference between Bernadette and Kirsten. Like if you were talking about Bayside High, you know, say by the bell. And you're one of the unfortunate extras whose role is just like boy at Locker or nerdy girl. It would be like looking at Kelly Kapowski and Lisa Turtle. They're both pretty and popular, and one is a little nicer and Lisa is rich. But if you are part of the in crowd, those little differences can feel huge. Towards the end of her sophomore year, Bernadette starts to feel like there's this chasm between her and the other cool
Starting point is 00:04:57 girls and it's getting wider and wider by the day. Especially once she tries out for cheerleading again. She's been on the team before and she practices around the clock. But after making it to the final 12, Bernadette gets cut. But Kirsten makes the team. Bernadette also loses out on the yearbook staff. So now she's lost her foothold on two clubs. In Bernard's mind, she has one shot at redemption, at reviving her dying social status. The Bobbolinks, aka the bobbies. Pretty much the closest thing Meramonte High School has to a sorority. Officially, the bobbies are like candy strippers. They volunteer at local hospitals, but unofficially, they're an elite group of only the richest and prettiest and the most popular.
Starting point is 00:05:51 Kirsten, of course, gets her invitation to join at the end of sophomore year. She'll start with the Bobby's as a junior. Bernadette waits desperately for her own invite. A devout Catholic, she prays to God to please just make her a Bobby. And one day, she opens her locker to find that coveted envelope. She's been invited to join. Her spot on the social ladder is safe. Now, being invited to join the Bobby seems more exciting than actually becoming a Bobby.
Starting point is 00:06:27 A few days later, the new recruits are summoned to a classroom after school. They find the current members standing around with a bunch of eggs, mayonnaise, and embarrassing old clothing. It's an initiation. The newbies have to rub the eggs and mayo in their hair, put on the clothes, and go stand in the corner selling kisses for 10 cents. It's humiliating. But if that's what it takes to join the bobbies, Bernadette and Kirsten are going to do it with a smile. A couple weeks later, everyone's enjoying summer break.
Starting point is 00:07:02 Kirsten is away at charioting camp when Bernadette calls her house. Without giving her name, Bernadette leaves a message with Miss Kostas. There's a dinner for the new Bobby's that Saturday, and somebody will swim by to pick Kirsten up. Then Bernad hangs up, hoping Kirsten doesn't talk. talk to the other bobbies before this weekend. If she does, she'll realize
Starting point is 00:07:24 none of the Bobby officers are even in town. They're in Hawaii. And there is no dinner that Saturday. Now, Bernadette has just two days to plan what could be her most important conversation
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Starting point is 00:09:39 This episode is brought to you by Prime. Obsession is in session. And this summer, Prime Originals have everything you want. Steamy romances, irresistible love stories, and the book to screen favorites you've already read twice. Off-campus, L, every year after, the love hypothesis, Sterling Point, and more. Slow burns, second chances, chemistry you can feel through the screen. Your next obsession is waiting.
Starting point is 00:10:06 Watch only on Prime. Becoming a Bobby was the ultimate sign that Bernadette had made it socially. But at the back of her mind, these negative thoughts keep creeping back, telling her she's inferior, worthless, and that even this exclusive club, doesn't mean she's one of them. And Burdard is smart. If there's a problem she's going to try to solve it, the solution she comes up with
Starting point is 00:10:36 is if she can make Kirsten accept her, then everyone else will fall in line. So why does she focus on Kirsten? It's honestly hard to say, but there are a few incidents that led up to Bernadette's plan. In the winter of 1983, one of the girls invited Bernadette to her family's cabin in Lake Tahoe,
Starting point is 00:10:56 To Bernadette, it was probably a big deal, like a really big deal. Everyone knew you couldn't go to Lake Tahoe in the winter without hitting the slopes, which meant she needed skis. Bernardine managed to borrow some hand-me-downs, but everyone else had shiny, top-of-the-line equipment. Kirsten was also on the trip, and at one point she made a condescending quip about Bernadette's stuff, and it was like that comment gave the other girl's permission to laugh
Starting point is 00:11:25 and look at Bernadette with pity. And that was pretty much how things went for anyone Kirsten didn't seem to care about. According to one of her fellow classmates, she was the queen of withering glances and snotty remarks. She knew how to knock anyone down a peg or two. Kirsten's rejection seemed to make Bernadette more desperate to prove herself, and that's what she planned to do on the night of June 23, 1984. Around 9 o'clock, Bernadette pulls up in front of the Costa's house.
Starting point is 00:11:58 She's borrowed the family slightly beat up, goldish-yellow Ford Pinto. She probably knows that as soon as Kirsten sees the car, she's going to have questions. So, according to Bernadette, this is her plan. Right away, she'll tell Kirsten, the truth, that there is no dinner for the Bobby's. Instead, she'll offer her to drive her to a party. Technically, Bernadette wasn't inviting. It's only for the coolest upper classmen, but she figures if she shows up with Kirsten, they'll let her in.
Starting point is 00:12:29 Then Bernadette can prove to Kirsten how cool she really is that she's worthy of being in her inner circle. And once she does that, the rest of high school should be a breeze. Whatever Kirsten may think of Bernadette's plan, we don't really know. But according to Bernadette, Kirsten says if they're going to a party, they need to make a stop first. She tells Bernadette to pull into an abandoned church lot, a local teen hangout, and Kirsten pulls out a joint.
Starting point is 00:13:01 They're sitting there for about 30 minutes. We know because a couple is also parked in the lot. Well, say they were necking. Is that what they said in the 80s? Neckin? I don't know. Is this a show PG-13? No, it's not. Okay.
Starting point is 00:13:15 Anyways, this couple doesn't see what's going on in the car, but from everything we know, this is probably when Bernadette launches into her big sales pitch, the one where she tries to persuade Kirsten to be her friend. Whether or not Bernadette gets far in her speech, Kirsten isn't interested. She calls Bernadette weird and hops out of the car, heading off down the street.
Starting point is 00:13:40 Bernard follows her in the car and watches as Kirsten knocks on the door of some guy's house. In that instant, it occurs to Bernadette that Kirsten might go tell everyone that she has just embarrassed herself. And she can't let that happen. She has to fix it. The house Kirsten visits belongs to a family friend, Alex Arnold.
Starting point is 00:14:06 She tells him she's stranded and needs her right home, so Alex agrees to drive her. During the three-mile drive, Alex noticed a pinto following them. He asked Kirsten about it and she mentioned, uh, her friend was being weird, but she doesn't seem to be worried at all. She just shrugs it off and says, everything's fine. Inside the pinto behind them, things are not fine.
Starting point is 00:14:31 Bernadette is panicking. She's terrified of the damage Kirsten might do to her reputation with just one phone call. And the more Bernadette thinks about it, the matter she gets. Kirsten's driver pulls over in front of her house, so the pinto pulls over too. But Kirsten doesn't go inside. Nobody's home. So she hits towards her next-door neighbors. Bernadette will later say she has no idea what's going through her mind at this moment. All she remembers is the anger.
Starting point is 00:15:06 She grabs a knife that was already sitting in her car and races across the grass calling out to Kirsten. She can't let her reach that front door, but Kirsten isn't having it. She shouts for Bernad, just go away! It's loud enough for the neighbors to hear. That's when Bernadette brings the next to hear. That's when Bernadette brings the knife from behind her back and stabs Kirsten five times in the back and chest. Kirsten screams alert the neighbors.
Starting point is 00:15:33 She stumbles around as blood stains her torn clothes. In a split second, Bernadette's rage turns to horror. She can't believe what she's just done. But she knows she has to get far away. She sprints back to the pinto and races off into the night. But it's not a clean getaway because Kirsten's friend, Alex,
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Starting point is 00:18:22 which can cause dehydration and worsen kidney problems. Talk to your doctor. Call 1-800-545-5979 or visit zepbounds.lily.com. Bernadette Prattie has just stabbed one of the most popular girls in the school multiple times in someone's front yard. And a witness sighed all happen. But he didn't get a good look at Bernadette's face, so when police arrive on the scene, he can only describe her as a blonde teenage girl, which could literally be a hundred different people. Meanwhile, Kirsten is rushed to the hospital, but she loses too much blood.
Starting point is 00:19:08 She's pronounced dead before midnight. It's the first homicide in their quiet town in seven years, and now the hunt for a killer is on. Bernadette wakes the following day, not knowing whether Kirsten lived or died. She sits down to breakfast with her family, feeling calm, normal almost, with the news playing quietly in the background. It's not long before she realizes Kirsten's name is all over the news.
Starting point is 00:19:40 She listens to the reporters about the stabbing, the hunt for the suspect, and the tragic outcome. It's like something inside Bernadette kind of shuts down. Everything feels like it's happening to someone else. Even as she listens to the description of the killer, she doesn't process. that the reporters are talking about her. The murder of Kirsten completely shocked the quiet California town, and in the Costa's home, they were not mourning a popular girl or a cheerleader. They were mourning a daughter, a sister, and a friend.
Starting point is 00:20:20 When Kirsten's devastated family holds her memorial five days after the murder, Bernadette is there. She blends in with all the other grieving teenagers, sharing stories, and memories of their lost friend. Bernadette stays calm when the sheriff's department brings her in for an interview. At this point, they're talking to all of Kirsten's friends, especially all of her blonde friends
Starting point is 00:20:45 because they have next to no evidence to work with. And Bernadette gives them no reason to suspect her. She cooperates, answers every question with what seems to be the right emotions. She even takes a lie detector test and passes with flying colors, even when she lies about an alibi. She tells detectives she was babysitting, and they only double-checked by asking her sister,
Starting point is 00:21:16 who backs her up, because Bernadette also lied to her about where she was. And yeah, the proddies own a gold-colored pinto, but it turns out, Bernadette doesn't even have her driver's license, so the police assume she wouldn't have been driving it. While Bernadette's having herself a summer, hanging out with the bobbies and gearing up for junior year, the police are looking in the wrong place.
Starting point is 00:21:45 I guess they figured if Kirsten wasn't killed by the popular kids, maybe it was somebody who hated what she stood for, somebody on the fringes. And they set their sights on a girl named Nancy Kidd's. Cane. Nancy's kind of the Janice Ian for mean girls of the story. She used to be in with the in crowd, and she's known Kirsten since middle school, but during sophomore year Nancy rebelled. She cut her hair, dyed it blonde and black, and now she loves punk, eyeliner, and underage drinking. She's actually just a normal teenager, but police know she's voiced her dislike for Kirsten,
Starting point is 00:22:23 and by voiced her dislike, I mean they found a notebook where Nancy wrote, and I quote, I want to see her blood. Drip, drip, drip, drip, drip. So yeah, to be fair, it's not a great look there, Nancy. And yes, Nancy does lie to the police. The night of the murder, she was at her boyfriend's house, a place she was not supposed to be at. And she's more worried about her parents finding that out
Starting point is 00:22:50 than she is about looking suspicious to the cops, because team priorities. So she tells them she was at the movies. watching Ghostbusters. I am afraid of no ghost. Eventually, the alibi gets cleared up, but the damage has been done. See, the town of Orinda demands answers for what happened to Kirsten. To them, she symbolizes the very best of their city,
Starting point is 00:23:14 the ideal they all strive for. Her death feels like an attack on their way of life, and people are not kind to Nancy Kane, even though she's innocent. she winds up having to transfer to another school, which puts investigators back to square one. The Sheriff's Department has retraced every step and exhausted every resource, so they try something relatively new, criminal profiling.
Starting point is 00:23:45 And they reach out to the big guns who actually developed profiling for the FBI, people like John Douglas, who wrote the book, Mine Hunter, and Dr. Anne Burgess. They spent years understanding the likes of Ted Bundy and Charles Manson, so what are they doing hunting down someone like Bernadette Prattie? Well, in 1984, they're trying to prove that profiling is the future of criminal investigations, of all kinds, not just serial killer cases. Six FBI agents sit down and dissect Kirsten's case. One part they find really interesting is that the weapon was a knife.
Starting point is 00:24:27 That tells them the case. killer was angry. This was personal. In the end, they come up with a 14-page profile. It suggests that the killer is from a large Catholic family and lives in or very close to Orinda. There's someone Kirsten knew, but they probably aren't showing obvious signs of remorse. Investigators re-interview all of Kirsten's friends, and independently, they all start thinking it was Bernadette. And then they actually go and talk to the family. She said she was babysitting for that night, the night of the murder. Turns out she hadn't worked for them in the past year. On Friday, December 8th, they asked Bernadette to come in for another interview, this time
Starting point is 00:25:14 with FBI interrogators present. They questioned her for nearly five hours, but just like before, she doesn't show much emotion. At this point, the police are up against it. The entire town wants answers, but they don't have any physical evidence tying her to the crime. No murder weapon, no DNA. This means they really need her to confess.
Starting point is 00:25:39 So they try something a little unorthodox. They slide a paper across the table. The Criminal Profile Bernadette starts looking at this paper, which describes her to a T. And she looks up and asks one of the FBI agents if he thinks she killed Kirsten. There's no use lying.
Starting point is 00:26:03 So he tells her. Yes, he thinks she did it. But Bernadette doesn't say anything else. So she's free to go home. A few days later, Bernadette wakes up on a Tuesday morning and gets ready for school. She leaves a note for her parents to find when she's gone. Her mom discovers it and opens a letter and it reads,
Starting point is 00:26:30 Dear mom and dad, I've been trying to tell you this all day, but I love you so much it's too hard. So I'm taking the easy way out. The FBI man thinks I did it. And he's right. I've been able to live with it, but I can't ignore it. It's too much for me and I can't be that deceiving. please still love me.
Starting point is 00:26:52 I can't live unless you love me. I've ruined my life and yours and I don't know what to do. I'm ashamed and I'm scared. P.S. Please don't say how could you or why? Because I don't understand this and I don't know why. After reading the letter, Bernad's mom immediately picks her up from school
Starting point is 00:27:16 and drives her to the sheriff's department where she's arrested. When people find out Bernadette is the killer, it shocks the public almost as much as the murder itself. She'd been right under their noses the entire time. What's worse, she was supposed to have been Kirsten's friend. The sense of betrayal runs deep.
Starting point is 00:27:42 The court of public opinion hands down a swift verdict. Bernadette is an outlier. a sick, troubled girl, which means the murder must be an isolated incident. But not everybody agrees, especially other teenagers. After Rolling Stone magazine publishes an article about the case, kids from all over right in, even though what Bernadette did was horrific and the outcome was tragic, the magazine's readers recognized the universal truth she'd been dealing with,
Starting point is 00:28:15 her desire for popularity, her need for acceptance and belonging. The spectacle of this whole case isn't over yet. It continues into 1985 with three-day trial. Every day the courtroom is packed with spectators. It's standing room only. People get turned away. On the stand, Bernadette says she was angry, and she wanted to hurt Kirsten.
Starting point is 00:28:40 But she didn't mean to kill her. She testifies that she did not bring the night. knife with her in the car that night. It was just there, and she happened to notice it. And her sister backs her up with the story, saying the knife was hers. She used it to cut up fruit because she's always had to eat lunch on the road for work. Because Bernadette's a minor, there's no jury to decide her fate, only a judge who convicts her of second-degree murder. When Bernadette receives a nine-year prison sentence, she's 16 years old. When she gets out on parole in 1992, she's 23. And the story doesn't end there. In 1994, the case gets adapted into a made-for-TV movie called
Starting point is 00:29:28 A Friend to Die For. But it's also known by its more popular title, Death of a Cheerleader. It stars Torrey spelling at the height of her 902105 as the popular cheerleader. and Kelly Martin, aka Janie Jessman, from The Face on the Milkarton as the killer. It's fictionalized, the names are changed, and biting insults are invented, like this one. It's been really nice talking to you, but you better run along now. We don't feed strays here. And the movie goes down in history as a campy cult hit. It also becomes the highest rated TV movie of that year.
Starting point is 00:30:08 It even gets remade in 2019. Maybe we keep coming back to it because there are so many uncomfortable truths in this story. It's nostalgic for all the wrong reasons. It highlights the worst parts of high school, the rude comments, the desperation we all felt at times. And it isn't just a story about a girl who wanted to be popular. It's a story about a teenager who believed the tight was retreating forever that the loss of cheerleading and the failure to secure her place in a click meant she would be abandoned and left exposed on the sand.
Starting point is 00:30:47 And an innocent life was lost over something that was, in reality, fleeting. Thanks for tuning into Killer Stories, Spotify Podcasts, new episodes release on Mondays. If you like today's story and want to learn more, we drop some of our favorite sources in the episode description. Until next time, I'm Harvey Guillen. Stay safe out there. A beloved 75-year-old man washing up getting ready for bed is brutally beaten and killed. Despite an exhaustive investigation, the killer avoids arrest and then strikes again. I'm global news crime reporter Nancy Hicks.
Starting point is 00:31:33 You might listen to a lot of true crime podcasts this year, but they're not crime beat. Search for and follow the award-winning podcast Crime Beat on Apple Podcasts, Spotify, Amazon Music, and wherever you find your favorite podcasts. Do you want to hear something spooky? Some monster, it reminded me of Bigfoot. Monsters Among Us is a weekly podcast featuring true stories of the paranormal. One of the boys started to exhibit demonic possession. Stories straight from the witnesses' mouths themselves.
Starting point is 00:32:04 Something very snake-like lifted its head out of the water. Hosted by me, your guide, Derek Hayes. Somehow I had lost eight whole hours. Listen now on Spotify or wherever. You get your podcast.

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