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Psychopedia

Author: Investigator Slater

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Psychopedia is a captivating true crime podcast hosted by Investigator Slater, where she passionately takes you deep into the darkest recesses of the human psyche each week. A professional investigator by day, Slater uses her investigative expertise to uncover the chilling, hidden details behind each true crime case presented. Even if you think you’ve heard about a particular case before, prepare for a fresh, eye-opening perspective that dives deeper into the facts, psychology, criminology, and the dark truths you never knew.  Every episode is presented with the utmost respect for the victims, while keeping you hooked with pop quizzes designed to engage and entertain (and give you a glimpse into Slater's own twisted mind). Prepare for a truly immersive experience—because this is true crime like you've never heard it before.

Instagram + TikTok: @psychopediapod @investigatorslater. A podcast in partnership with Audacy.

173 Episodes
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EP145: Duct Tape Killer

EP145: Duct Tape Killer

2025-09-1701:48:361

Join our Patreon family! www.Patreon.com/PsychopediaPod You'll get ad free episodes, exclusive content, early access to Girl On Gore, BTS, private group chats, merch discounts, and to guest co-host with Investigator Slater! Robert Leroy Anderson, infamously known as “The Duct Tape Killer,” was a sexual sadist and murderer whose heinous crimes shocked the Midwest during the 1980s. Anderson kidnapped unsuspecting women, subjected them to brutal torture on a homemade “bondage board,” and ultimately bound and murdered them with duct tape. His horrific acts were fueled by a pathological need for domination and sadistic gratification, blending erotic desire with lethal aggression. This case is both graphic and devastating, so please listen with caution! Patreon: www.patreon.com/psychopediapod Instagram + TikTok: @investigatorslater @psychopediapod To learn more about listener data and our privacy practices visit: https://www.audacyinc.com/privacy-policy Learn more about your ad choices. Visit https://podcastchoices.com/adchoices
Subscribe to Psychopedia to stay up to date on the depravity. For early access to all Girl On Gore episodes and for access to AD FREE true crime content: www.patreon.com/PsychopediaPod IG and TikTok: @investigatorslater @psychopediapod To learn more about listener data and our privacy practices visit: https://www.audacyinc.com/privacy-policy Learn more about your ad choices. Visit https://podcastchoices.com/adchoices
Join our Patreon family! www.Patreon.com/PsychopediaPod You'll get ad free episodes, exclusive content, early access to Girl On Gore, BTS, private group chats, merch discounts, and to guest co-host with Investigator Slater! Part 2 of this horrific case delves even deeper into depravity. Leonard Lake and Charles Ng, infamously known as The Snuff Film Killers and one of the most sadistic serial-killing duos in history, claimed between 11 and 25 lives. In at least two cases, they annihilated entire families, deliberately keeping women alive longer to serve as sex slaves in their underground “doomsday” bunker in California. Much of their atrocities were captured on tape, as the killers were keen to document their own twisted acts of cruelty and violence. This episode explores the complex psychologies of both perpetrators, as well as the dynamics of serial-killing teams. It is dark and profoundly disturbing — listener discretion is advised. Patreon: www.patreon.com/psychopediapod Instagram + TikTok: @investigatorslater @psychopediapod To learn more about listener data and our privacy practices visit: https://www.audacyinc.com/privacy-policy Learn more about your ad choices. Visit https://podcastchoices.com/adchoices
In the face of death, most would run. It’s human nature to flee, to cling to life. But on September 11, 2001, amidst the chaos of the crumbling South Tower, Welles Remy Crowther did the unthinkable as smoke choked the air, flames licked his skin, and the ground shook beneath him: he repeatedly charged back into the inferno to save others. Fueled by a force fear can’t touch, Welles guided the lost, comforted the wounded, and led the terrified to safety. Every step could have been his last, and he knew this. Yet Welles never wavered. NEVER. And in those impossible moments, he saved 18 lives. The man who faced death without flinching, who stood as a beacon of courage and selflessness in the darkest of times, was indeed The Man in the Red Bandana. Patreon: www.patreon.com/psychopediapod Instagram + TikTok: @investigatorslater @psychopediapod Tank Sinatra Instagram + TikTok: @tanksinatra To learn more about listener data and our privacy practices visit: https://www.audacyinc.com/privacy-policy Learn more about your ad choices. Visit https://podcastchoices.com/adchoices
Join our Patreon family! www.Patreon.com/PsychopediaPod You'll get ad free episodes, exclusive content, early access to Girl On Gore, BTS, private group chats, merch discounts, and to guest co-host with Investigator Slater! Few things are rarer, or more terrifying, than a serial-killing duo. And among them, Leonard Lake and Charles Ng (aka The Snuff Film Killers) stand out as one of the most sadistic partnerships in criminal history. In 1983, Leonard built a secret bunker in the hills of California to imprison women as sex slaves and record his twisted “philosophy tape,” which began as a doomsday/survivalist manifesto and eventually spiraled into videotaped kidnappings, assaults, and murders. Alongside fugitive ex-Marine Charles Ng, Leonard Lake unleashed a reign of terror that claimed between 11 and 25 lives, including men, women, and children - some of whose final moments were immortalized on tape. Part 1 of our two-part coverage of The Snuff Film Killers lays the foundation for the nightmare to come, and unpacks the origins, obsessions, and twisted partnership that set the stage for their reign of terror. Patreon: www.patreon.com/psychopediapod Instagram + TikTok: @investigatorslater @psychopediapod To learn more about listener data and our privacy practices visit: https://www.audacyinc.com/privacy-policy Learn more about your ad choices. Visit https://podcastchoices.com/adchoices
Girl On Gore: Episode 7

Girl On Gore: Episode 7

2025-09-0825:162

Subscribe to Psychopedia to stay up to date on the depravity. For early access to all Girl On Gore episodes and for access to AD FREE true crime content: www.patreon.com/PsychopediaPod IG and TikTok: @investigatorslater @psychopediapod To learn more about listener data and our privacy practices visit: https://www.audacyinc.com/privacy-policy Learn more about your ad choices. Visit https://podcastchoices.com/adchoices
EP142: Seven Days of Hell

EP142: Seven Days of Hell

2025-09-0301:41:511

Join our Patreon family for ad free episodes, exclusive content, early access to Girl On Gore, BTS, private group chats, merch discounts, and to guest co-host with Investigator Slater! www.Patreon.com/PsychopediaPod Welcome to the first episode of Sadistic September. PLEASE LISTEN WITH CAUTION. This case is often described as one of the most sadistic murders in modern UK history. It’s the story of Suzanne Capper, a beautiful 16-year-old girl whose final week on earth was transformed into a living nightmare by six predators who took tremendous joy in inflicting the most horrific forms of torture, degradation, and humilation imagineable. What they inflicted on Suzanne in December 1992 was not "just" physical violence and psychological torment — it was cruelty ritualized. Listener discretion is not just advised, it's essential. Patreon: www.patreon.com/psychopediapod Instagram + TikTok: @investigatorslater @psychopediapod Revisit Episode 13: Hell Is A Place In Tokyo (Apple) (Spotify) To learn more about listener data and our privacy practices visit: https://www.audacyinc.com/privacy-policy Learn more about your ad choices. Visit https://podcastchoices.com/adchoices
Girl On Gore: Episode 6

Girl On Gore: Episode 6

2025-09-0121:201

Subscribe to Psychopedia to stay up to date on the depravity. For early access to all Girl On Gore episodes and for access to AD FREE true crime content: www.patreon.com/PsychopediaPod IG and TikTok: @investigatorslater @psychopediapod To learn more about listener data and our privacy practices visit: https://www.audacyinc.com/privacy-policy Learn more about your ad choices. Visit https://podcastchoices.com/adchoices
Please SUBSCRIBE to Psychopedia to stay on top of all new content! Join our Patreon family for ad free episodes, exclusive content, early access to Girl On Gore, BTS, private group chats, merch discounts, and to guest co-host with Investigator Slater! www.Patreon.com/PsychopediaPod She doesn’t blink. She doesn’t breathe. She doesn’t need to. Annabelle just waits....a child’s doll with a stitched-on smile wrapped around something patient, ancient, and hungry. For decades, she’s left behind claw marks, bruises, nightmares that crawl out of dreams and into daylight. She’s been blamed for fires, crashes, even death — including the shocking recent passing of investigator Dan Rivera, a man who respected her power more than anyone else. And yet...she’s still touring the country, out of her case, on display for anyone reckless enough to get too close. This isn’t just a haunted doll, it’s a warning. A reminder that some dark energies demand respect — and if you don’t give it, they’ll take it. Revisit EP94: World's Most Haunted Doll Apple Spotify Patreon: www.patreon.com/psychopediapod Instagram + TikTok: @investigatorslater @psychopediapod To learn more about listener data and our privacy practices visit: https://www.audacyinc.com/privacy-policy Learn more about your ad choices. Visit https://podcastchoices.com/adchoices
EP140: Preteen Predator

EP140: Preteen Predator

2025-08-2701:13:34

Please SUBSCRIBE to Psychopedia to stay on top of all new content, bonus episodes, and Investigator Slater’s podcast series, Girl On Gore! Join our Patreon family for ad free episodes, exclusive content, early access to Girl On Gore, BTS, private group chats, merch discounts, and to guest co-host with Investigator Slater! www.Patreon.com/PsychopediaPod In 2019, 28-year-old Brittany Zamora went from "Teacher Of The Year" to convicted pedophile when it was discovered that she had been sexually preying upon a 13-year-old child in her class. It began with inappropriate text exchanges in the school app, then advanced into full blown "sexting" in SnapChat, before escalaing into sexual assault and rape. Investigators discovered streams of communications that crossed every ethical, moral, legal, and HUMAN boundary. There was devastating evidence of secret meetups, sexual abuse, and a horrific betrayal of trust and power that played out right under the noses of students, administrators, parents, and even the perpetrator's husband. Because here’s an important point that often gets lost: when the predator is an attractive young woman and the victim is a boy, society tends to look right past it. As if it’s "scandal," not violence; as if it’s gossip, not trauma. But exploitation cuts the same, no matter the gender of the abuser. And the damage is real, and it lasts... Revisit Episode 79: It's Just As Bad When It's A Woman Spotify Apple Patreon: www.patreon.com/psychopediapod Instagram + TikTok: @investigatorslater @psychopediapod To learn more about listener data and our privacy practices visit: https://www.audacyinc.com/privacy-policy Learn more about your ad choices. Visit https://podcastchoices.com/adchoices
Subscribe to Psychopedia to stay up to date on the depravity. For early access to all Girl On Gore episodes and for access to AD FREE true crime content: www.patreon.com/PsychopediaPod IG and TikTok: @investigatorslater @psychopediapod To learn more about listener data and our privacy practices visit: https://www.audacyinc.com/privacy-policy Learn more about your ad choices. Visit https://podcastchoices.com/adchoices
EP139: Castration Cult

EP139: Castration Cult

2025-08-2001:14:27

Please SUBSCRIBE to Psychopedia to stay on top of all new content, bonus episodes, and Investigator Slater’s podcast series, Girl On Gore! Join our Patreon family for ad free episodes, exclusive content, early access to Girl On Gore, BTS, private group chats, merch discounts, and to guest co-host with Investigator Slater! www.Patreon.com/PsychopediaPod What compels a man to slice off his own penis, leg, nipple, and ear…and then turn that compulsion into a business of butchering others who claimed to want the same fate? For Marius Gustavson, a Norwegian man in London, it began with self-castration. From there, his obsession metastasized into a full-blown operation whereby he performed extreme body modifications on dozens of vulnerable men. Marius filmed the mutilations and streamed them on a pay-per-view website, where he also sold severed genitalia to paying customers. His hunting ground was the “nullo” community, composed of individuals seeking genital removal as a radical form of body modification. Many struggled with Body Integrity Identity Disorder (BIID) and turned to Gustavson for help. Instead, they got mutilation, exploitation, and a predator who feasted on their vulnerability — sometimes literally - as Gustavson went on to cannibalize some of the very testicles he cut off. This case is almost too gruesome to believe. But, it isn’t just about mutilation: it’s about control, sadism, consent twisted into theater, and the terrifying lengths people will go to reshape themselves when the wrong hands hold the scalpel. Revisit Episode 128: R*pe Fantasy Control Killer: Spotify Apple Podcasts Patreon: www.patreon.com/psychopediapod Instagram + TikTok: @investigatorslater @psychopediapod To learn more about listener data and our privacy practices visit: https://www.audacyinc.com/privacy-policy Learn more about your ad choices. Visit https://podcastchoices.com/adchoices
Subscribe to Psychopedia to stay up to date on the depravity. For early access to all Girl On Gore episodes and for access to AD FREE true crime content: www.patreon.com/PsychopediaPod IG and TikTok: @investigatorslater @psychopediapod To learn more about listener data and our privacy practices visit: https://www.audacyinc.com/privacy-policy Learn more about your ad choices. Visit https://podcastchoices.com/adchoices
EP138: R*pist On Fire

EP138: R*pist On Fire

2025-08-1301:32:26

Please SUBSCRIBE to Psychopedia to stay on top of all new content, including my new podcast series, Girl On Gore! Join our Patreon family for ad free episodes, exclusive bonus content, early access to Girl On Gore episodes, BTS, private group chats, merch discounts, and to guest co-host with Investigator Slater! www.Patreon.com/PsychopediaPod TRIGGER WARNING: This episode discusses the difficult topics of rape and child sexual abuse. Please listen with caution. In June 2005, in the quiet town of Benejúzar, Spain, 51-year-old María del Carmen García walked into a bar, canister of gasoline in hand, and doused a 63-year-old man standing at the counter. Then, she struck a match. Eleven days later, the man was dead from his injuries — and María was hailed as a hero by thousands. Because years earlier, that same man had raped Maria's 13-year-old daughter at knifepoint, and now she was delivering her own brand of justice. To some, María was considered a dangerous criminal guilty of first degree murder who crossed an unforgivable line by taking a human life. To others, she was a mother pushed past her breaking point, and an admirable vigilante stepping in where the system had failed. To this day, this shocking case remains one of Spain’s most fiercely debated examples of vigilantism and continues to force uncomfortable questions about the morality of vigilantism and when, or if, taking the law into your own hands is ever justified. Revisit Episode 12: Murder, Magic and Witchy Viagra here! Patreon: www.patreon.com/psychopediapod Instagram + TikTok: @investigatorslater @psychopediapod To learn more about listener data and our privacy practices visit: https://www.audacyinc.com/privacy-policy Learn more about your ad choices. Visit https://podcastchoices.com/adchoices
Subscribe to Psychopedia to stay up to date on the depravity. For early access to all Girl On Gore episodes and for access to AD FREE true crime content: www.patreon.com/PsychopediaPod IG and TikTok: @investigatorslater @psychopediapod To learn more about listener data and our privacy practices visit: https://www.audacyinc.com/privacy-policy Learn more about your ad choices. Visit https://podcastchoices.com/adchoices
EP137: Killer Midwife

EP137: Killer Midwife

2025-08-0601:21:28

Click SUBSCRIBE to stay on top of all new content - including my new podcast series, Girl On Gore! Join our Patreon family for ad free episodes, exclusive bonus content, early access to Girl On Gore episodes, BTS, private group chats, merch discounts, and to guest co-host with Investigator Slater! www.Patreon.com/PsychopediaPod TRIGGER WARNING: Please note that this episode discusses the horrific crime of infanticide. She was supposed to care for and nurture new life, but instead, she delivered death. In post-war Tokyo, Miyuki Ishikawa—one of the most prolific serial killers in Japanese history—was a respected midwife, trusted by desperate mothers and overwhelmed families. But behind her professional smile lurked something incredibly depraved. Over the course of several years in the 1940s, Miyuki deliberately allowed over 100 infants in her "care" to die of neglect, starvation, and hypothermia. Then, she charged grieving parents for the privilege of secretly killing their babies. When the truth finally came out, Japan was horrified, and the case ignited legal reforms that still reverberate today. PLEASE LISTEN WITH CAUTION. Patreon: www.patreon.com/psychopediapod Instagram + TikTok: @investigatorslater @psychopediapod To learn more about listener data and our privacy practices visit: https://www.audacyinc.com/privacy-policy Learn more about your ad choices. Visit https://podcastchoices.com/adchoices
Subscribe to Psychopedia to stay up to date on the depravity. For early access to all Girl On Gore episodes and for access to AD FREE true crime content: www.patreon.com/PsychopediaPod IG and TikTok: @investigatorslater @psychopediapod To learn more about listener data and our privacy practices visit: https://www.audacyinc.com/privacy-policy Learn more about your ad choices. Visit https://podcastchoices.com/adchoices
Please SUBSCRIBE to Psychopedia to stay on top of all new content, as well as my new podcast series Girl On Gore! Join our Patreon family for ad free episodes, exclusive bonus content, early access to Girl On Gore episodes, access to BTS, private group chats, merch discounts, and to guest co-host with Investigator Slater! www.Patreon.com/PsychopediaPod In this episode, I'm joined by special guest Kaelyn Moore of Heart Starts Pounding! Beneath the glittering facade of New Orleans high society in the early 1800s, Madame Delphine LaLaurie's lavish mansion concealed one of the most gruesome crimes in American history. Behind locked attic doors, enslaved men and women were chained, mutilated, starved, and grotesquely experimented on for Madame LaLaurie's sadistic pleasure. Some victims had their bones reset to take on non-human form, others were flayed, disemboweled, or fitted with crude surgical contraptions. This wasn’t punishment: this was depravity wrapped in silk and perfumed with civility, masquerading as refinement while it feasted on human suffering. To this day, locals say the mansion is cursed. Visitors report cold spots, disembodied cries, and the faint clatter of chains dragging across the floorboards - echoes of suffering too violent to stay buried… Patreon: www.patreon.com/psychopediapod Instagram + TikTok: @investigatorslater @psychopediapod Heart Starts Pounding can be found here: @heartstartspounding www.heartstartspounding.com To learn more about listener data and our privacy practices visit: https://www.audacyinc.com/privacy-policy Learn more about your ad choices. Visit https://podcastchoices.com/adchoices
Subscribe to Psychopedia to stay up to date on the depravity. For early access to all Girl On Gore episodes and for access to AD FREE true crime content: www.patreon.com/PsychopediaPod IG and TikTok: @investigatorslater @psychopediapod To learn more about listener data and our privacy practices visit: https://www.audacyinc.com/privacy-policy Learn more about your ad choices. Visit https://podcastchoices.com/adchoices
Please SUBSCRIBE to Psychopedia AND Girl On Gore to stay on top of all future episodes! Join our Patreon family for exclusive bonus content, early access to Girl On Gore episodes, access to BTS, private group chats, merch discounts, and to guest co-host with Investigator Slater! www.Patreon.com/PsychopediaPod In Part 2 of our deep dive into Joel Rifkin, aka "Joel the Ripper," we follow the trail of evidence that shattered the illusion of suburban safety and introduced the world to New York’s most known prolific serial killer. The quiet, ordinary man next door was finally exposed when police pulled him over and discovered a decomposing body in the trunk of his car. Seventeen women were brutally murdered by a man who couldn’t even recall all their names, but remembered every detail of how they died in his hands. We dig into the investigation that laid bare the cracks in law enforcement’s response to missing sex workers, the trial, criminological theories relating to serial killers, and interviews where Joel seemed more titillated by the attention than tormented by guilt. Please listen with caution. Patreon: www.patreon.com/psychopediapod Instagram + TikTok: @investigatorslater @psychopediapod Email: psychopediapod@gmail.com Website: www.psychopediapodcast.com To learn more about listener data and our privacy practices visit: https://www.audacyinc.com/privacy-policy Learn more about your ad choices. Visit https://podcastchoices.com/adchoices
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Comments (34)

Samantha Michel

💜 Love the stories you tell Slater!

Sep 17th
Reply

yaara gerchman

Trigger warning well placed, this is TERRIFYING. I'm so scared for this poor girl.

Sep 6th
Reply

yaara gerchman

I love the production jumping in! I feel your energy bounces much more (and their POV's are interesting 😌)

Aug 8th
Reply

yaara gerchman

I had a patient like this. 19 YO who was just crazy out of his mind.. Schizophrenia is SCARY and unpredictable. He was actually really sweet when he made sense, and really sad in the rare moments when he was lucid.

Aug 3rd
Reply

yaara gerchman

It stood out to me that you slater thought the mom abandoning was the main reason for the sex addiction..? Sounds logical, but also- that child sounds so f*d up, this sounds like a classic 'it's not always mom's fault'

Jul 23rd
Reply

yaara gerchman

I'm listening hilly billy in no particular order, I've been through more than half of the episodes including cannibals, rapists, children being tortured for years.. This episode, I think, shocked me the most. I need to curl up in a ball for a while.

Jul 18th
Reply

Beth Harrington

I love this show! You are incredibly articulate, thorough, fun, interesting, thoughtful, and real. I am a fanatic true crime fan, I listen to them all, this is the best. Of course, because I not a criminal, sometimes I'm creeped out, grossed out, but I am curious about the spectrum of behavior. You and Tank are FABULOUS. Gonna miss him!

Jun 12th
Reply

Dixie Tsutsaeva

nooo!!! 😭😭😭 Tank! glad he's taking care of himself and doing what's best for him, but damn he'll be missed.

May 23rd
Reply

Beth Harrington

FABULOUS, BRILLIANT, FASCINATING! You present it with compassion, depth, and I learn something new every episode. Thank you for your great work. I'm hooked and tell everyone about it!

Jan 16th
Reply

Dixie Tsutsaeva

release the tension from your nether regions

Jan 15th
Reply

Dixie Tsutsaeva

I don't know if you'll ever see this comment from this app... but I cannot begin to express how meaningful it is to me as someone with complex PTSD and as a survivor of prolonged SA trauma that you have such respect and kindness to the victims... and I'm sure I'm not alone. Thank you so much.

Jan 12th
Reply

Jojo Burns

I would love to meet you guys.But there's no way in hell you would ever come to my area in NH

Nov 13th
Reply

Sassy

I watched “the frozen ground” straight after listening to this 2 part case. I believe it’s told from Cindy’s point of view and has a tribute to the victims at the end. The details in this movie were so good just like this podcast. I’m so glad I watched the movie after listening here. It gives you a better understanding and visualisation of what really happened

Nov 9th
Reply

joe ray

wow ! did I just listen for 40 minutes to a podcast about a rug... I really got to clean out my podcast subscriptions. lol.

Oct 24th
Reply

Shanonymous

You didn't lik at ask the info that was disallowed at trial. Beata did indeed have Munchausen by Proxy. She offed herself right when she was supposed to face charges. Sally Smith was a good dr. Finally, the reason Maya got better is because she was never sick. The only illness she had, she was told by Beata to enhance her symptoms so that the doctors saw the pain; in the meantime, MBP proxies learn to exacerbate symptoms to appease their caretakers. Maya never had CRPS. Beata had MBP.

Aug 26th
Reply

Debi Rodriguez

,

Aug 20th
Reply

Jojo Burns

I have listened to every episode until this last one about killing cats. I was traumatized by the documentary and just couldn't bring myself to listen. sorry guys.

Jul 24th
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Shanonymous

Yes!!!! So glad you're covering Gator! My first deck was a Vision Gator. What an egotistical, murderous prick, though. He would've been a bigger name than Tony Hawk if he could've remained sober for a hot minute.

Jun 26th
Reply

Shanonymous

Great episode! We were talking about Kim Jong Nam just one hour before you released this!

May 8th
Reply

Sayda Pervin Nipa

⭕𝗖𝗟𝗜𝗖𝗞 𝗛𝗘𝗥𝗘 𝗙𝗨𝗟𝗟 𝗠𝗢𝗩𝗜𝗘 𝗪𝗔𝗧𝗖𝗛➤➤👉https://www.justhd.online

Apr 19th
Reply