Psychopedia: True Crime & Criminal Psychology
Psychopedia is a true crime podcast hosted by Investigator Slater, a professional investigator who delves into the darkest aspects of the human psyche. Each week, she uncovers hidden details and provides fresh perspectives on well-known cases, focusing on facts, psychology, and criminology. The episodes are presented with respect for victims and include interactive pop quizzes for listeners. The podcast is produced in partnership with Audacy.
Episodes
EP190: "MORE BRUTAL" than Ted Bundy - Paul John Knowles, The Casanova Killer (Part 1)
Trigger Warning: This episode discusses SA, child homicide, and graphic violence. Listener and viewer discretion advised.
Now on YouTube! Watch + subscribe: @investigatorslater
Paul John Knowles is an American serial killer linked to the deaths of at least 18 people. He recorded a chilling "kill tape" confession detailing his murders and carried out one of the deadliest multi-state kil
EP189: Five Wives and a False Prophet: Nathan Chasing Horse and "The Circle" Cult
Trigger Warning: This episode contains discussions of domestic abuse and child SA. Please listen with caution.
Five wives. A revered spiritual leader. A celebrated actor whose role in Dances with Wolves made him famous around the world. For decades, Nathan Chasing Horse cultivated an image as a respected medicine man and cultural figure - but behind the scenes was a sprawling web of sex
EP 188: Greenbrier Ghost: The Spectral Snitch (ft. Kaelyn Moore of Heart Starts Pounding)
FOLLOW/SUBSCRIBE to Psychopedia wherever you are listening!This week I was joined by special guest Kaelyn Moore of Heart Starts Pounding and Clues podcasts!In 1897, in a small town in West Virginia, a 23-year-old woman named Elva Zona Heaster Shue was found dead under mysterious circumstances and quickly laid to rest. Her tragic story might have ended there, if not for what happened next.
EP 187: d4vd: "Romantic Homicide"
TRIGGER WARNING: Please note that this episode contains discussions of pedophilia, grooming, and graphic violence involving a 14-year-old girl. Additionally, please note that this investigation remains active and ongoing. Ergo (noice): all statements regarding alleged conduct discussed in this episode are allegations only, and all individuals mentioned are presumed innocent unless and un
EP186: Craig's List (Serial?) Killer
TRIGGER WARNING: This episode contains discussions of child sexual abuse. Please listen with caution.
According to 18-year-old killer Miranda Barbour, between the ages of thirteen and eighteen she participated in a cross-country satanic killing spree that claimed at least twenty-two victims. While those claims have never been substantiated, what was proven in court was the brutal murder
EP185: Mormon Sex in Chains: Joyce McKinney
Former beauty queen, ex-Mormon, and alleged “love-obsessed” Joyce McKinney flew across the world, handcuffed her ex-lover to a bed in rural England, and forced him into what the British press dubbed “sex in chains.” But beneath the campy headlines and late-1970s media circus was something far darker and stranger: a disturbed woman who insisted she was rescuing the man she loved from a rel
EP184: Waffle House Massacre: The Taylor Swift-Obsessed Shooter
On April 22, 2018, a partially naked young man named Travis Reinking opened fire with an AR-15 rifle at a Waffle House in Antioch, Tennessee, killing four innocent people and injuring others. He had a documented history of erratic behavior, including delusions that Taylor Swift was stalking him, as well as a 2017 arrest in Washington, D.C., after attempting to breach White House security.
Introducing Family Lore
Looking for more mystery to fill your week? While this isn’t a Psychopedia production, we're excited to introduce you to another podcast we think you’ll enjoy. Family Lore is a weekly narrative podcast that celebrates and investigates ancestral mystique. Each episode begins with a guest sharing a fascinating family legend, followed by a historical deep-dive to uncover the truth and meanin
EP183: The Comic Book Killer: Scripted, Skinned and Scalped
In May 2016, Blake Leibel - a Canadian comic book creator and aspiring Hollywood filmmaker -brutally murdered his girlfriend, Iana Kasian, in their Los Angeles apartment. Iana’s body bore injuries so horrific they seemed ripped from the pages of Blake’s own graphic novel, Syndrome, which depicted eerily similar acts of torture and mutilation. This tragic case is widely regarded as one of
EP182: Twitter Killer: Japanese Serial Killer Takahiro Shiraishi
TRIGGER WARNING: This episode contains discussions of suicide and may be distressing to hear. Please listen with caution.In 2017, a series of disappearances began to ripple through Zama, just outside Tokyo. The victims were young women between the ages of 17 and 26 who all left behind the same digital footprint: Twitter posts expressing a desire to die. What no one realized at the time w
EP181: TikTok Cancer Scammer: Madison Russo Fakes Cancer for Clicks
From 2022 to 2023, 19-year-old Madison Russo documented what she claimed was a relentless fight for her life, drawing in thousands of followers and raising nearly $40,000 on GoFundMe. She said she was battling acute lymphoblastic leukemia, Stage 2 pancreatic cancer, and a tumor “the size of a football” wrapped around her spine. The story was catastrophic by design, and people responded ex
EP180: Serial Killer Nun: Holy Hellhouse
Abbess Mariam, better known as “Mother Rasputin,” has been described as one of the most prolific female serial killers in modern history. She cloaked herself in the authority of a Greek Old Calendarist Orthodox abbess while running something far darker than a monastery. Between 1939 and 1950, she was found guilty of a staggering range of crimes, including multiple murders and fraud, but
EP179: Meet Me. Hurt Me. Kill Me.
TRIGGER WARNING: This episode contains discussions of suicide and may be distressing to hear. Please listen with caution.
In the tragic and recent case of Sonia Exelby, a vulnerable woman in the UK went online to arrange for her own death. Sadly, she connected with a sadistic man in the U.S. named Dwain Hall, who framed her murder as mercy while investigators uncovered evidence of manip
EP178: Burned, Not Silenced: The Woman Who Testified From Beyond the Grave
This is the extraordinary case of Judy Malinowski, the first person in American history to testify from beyond the grave at her own murder trial. In 2017, Judy's life was shattered when her boyfriend doused her in gasoline and set her on fire. She was left to endure nearly two years of relentless pain, dozens of surgeries, and the heartbreak of not being able to raise her two children.
EP177: Krugersdorp Cult (Part 2): A Satan-Influenced Cult of Killers
In Part 2 of our in-depth coverage of the "Devilsdorp" cult, the brutal murders introduced in Part 1 take on a new meaning. What initially appeared to be isolated, occult-linked attacks starts to reveal a far more calculated pattern. Because this was never about religion. As the case progresses into trial, Part 2 unpacks the roles of those involved in the gruesome murders of 11 individ
EP176: Krugersdorp Cult (Part 1): A Satan-Influenced Cult of Killers
A pentagram-shaped town. A string of cult murders. Between 2012 and 2016, the town of Krugersdorp became “Devilsdorp.” At the center was Cecilia Steyn, a manipulative, "Ted Bundy-esque" figure who claimed to be a 42nd-generation witch with supernatural powers, infiltrating a Christian ministry and slowly tightening her grip on a group of devoted followers. Through staged attacks, psych
EP175: The Canadian Crippler: The Chris Benoit Tragedy: CTE, Steroids and the Fall of a Wrestling Legend
This is the devastating case of Chris Benoit - aka The Canadian Crippler - a man once internationally revered in the wrestling ring, whose final act shattered the illusion completely. Over one horrifying weekend in June 2007, thirty-time champion Chris Benoit murdered his wife, Nancy, and their seven-year-old son, Daniel, before taking his own life - leaving behind a trail of questions th
EP174: Felonious Fangirl: Domina Cherry Wanted to Be a Serial Killer
On May 1, 2021, 19-year-old Sarah M. stabbed 39-year-old Zayed in the neck after pretending to be on a date with him. Sarah had joined dating apps under the name “Domina Cherry,” using the alias to gain access to hundreds of men she planned to murder in an effort to become the most prolific serial killer to ever live. Reportedly obsessed with notorious murderers, including Ted Bundy, Jack
EP173: Serial Killer Bobby Joe Long: The Hillsborough Strangler
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In the mid-1980s, the streets of Tampa, Florida became hunting ground
EP172: Cut from the Womb: The Brutal Murder of Rebecca Park and Unborn Baby
On November 25th, 2025, the body of twenty-two year old Rebecca Park was discovered in Michigan's Manistee National Forest. When Becca vanished three weeks earlier, she was full-term pregnant. When her remains were found, the baby was gone. Becca's eviscerated body made it clear that someone had cut the baby from her womb at or around the time of her death - deliberately, methodically, an
EP171: Cannibal Poet: Man Killed, Cooked, and Ate Girlfriend
He fancied himself a poet, but in reality, was a murderous cannibal. José Luis Calva Zepeda, dubbed the Cannibal Poet, murdered at least one woman in 2007 - his girlfriend, Alejandra Galeana - and dismembered her body inside his home. When police entered his Mexico City apartment, they discovered body parts stored in plastic bags and human meat simmering on the stove. Further investigati
EP170: Kentucky Vampire Clan
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EP169: 50 Shades of Murder: The Tragic Slaying of Brittany Killgore
On Friday, April 13, 2012, 22-year-old Brittany Killgore lost her life in a sex dungeon. She disappeared three days after filing for divorce from her husband, Lance Corporal Cory Killgore, who was deployed in Afghanistan, and was ultimately discovered days later near a lake in Riverside County, California. The autopsy revealed neck injuries consistent with strangulation, and marks on Bri
EP168: Morbid Obesity, Mortal Starvation
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EP167: Rage of the Unf*cked: Murderous Rampage of Incel Elliot Rodger
On May 23, 2014, 22-year-old Elliot Rodger, a self-proclaimed "incel," went on a killing spree in Isla Vista, California, murdering six people and injuring fourteen others before turning the gun on himself. But this wasn't a snap decision or a moment of lost control - it was the meticulously planned culmination of years of seething entitlement, sexual frustration, and rage against women
EP 166: Cocaine Queen: Griselda Blanco
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Griselda Blanco - aka Cocain
EP 165: "Nerd Cult" Cannibal: Serial Killer Tsutomu Miyazaki
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TRIGGER WARNING: This episod
EP164: The Alaskan Avenger
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Trigger warning: This episo
EP163: Jersey Shore Thrill Killer
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At the height of summer along the New Jersey Shore in the 19
EP162: True Crime or Fake Crime? (Patreon Episode!)
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Happy New Year, Little Psychos! I wanted to share a recent Pa
EP161: "I Killed My Parents...Party On!"
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Tyler Hadley was just 17 years old when he brutally murdered
EP160: Hacksaw Homicide
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On New Year’s Day 2023, 39-year-old Ana Walshe vanished from
EP159: Guitar Shredding and Blood Shedding (feat. Jake Brennan of Disgraceland)
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This episode examines the case of the German black metal ban
EP 158: The Smiley Face Killers
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Once is chance. Twice is coincidence. Three times feels like a pattern. But what ab
EP157: Morgue Monster: David Fuller
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David Fuller, aka the “Morgue Monster”, committed the largest known necrophilic cr
Ep156: Amish Assassin
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Eli Weaver called himself the “Amish Stud.” On the surface, he was a quiet, married father of five living by the plain
155: Incest Mountain
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Trigger warning: This episode addresses incest and generational child sexual abuse, topics that may be especial
EP154: Ed Gein: Skull Bowls and Nipple Belts (Part 2)
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In Part 2 of our in-depth, two-part coverage of Ed Gein, we explore the years following his mother’s death — when grief, repression, and obsession
EP153: Ed Gein: Skull Bowls and Nipple Belts (Part 1)
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In Part 1 of our in-depth two-part coverage of Ed Gein, the groundwork is laid for one of the most depraved and psychologi
EP152: Slit-Mouthed Woman: Am I Pretty? (feat. Bridget Marquardt of Ghost Bunny and Girls Next Level podcasts)
Please consider supporting the show on Patreon! (www.Patreon.com/PsychopediaPod) Join to get AD FREE episodes, merch discounts, exclusive content, behind-the-scenes, private group chats, and much more! In this episode, I'm joined by special guest Bridget Marquardt of Ghost Bunny and Girls Next Level podcasts!
The legend of Kuchisake-onna, aka the Slit-Mouthed Woman, has haunted Japan for
EP151: They Came Through the Mirror: The Real Candyman Murder [SPOOKYPEDIA]
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You know the legend: say his name five times in the mirror and Candyman appears. But before the hook-handed ghost ever terrified you in your nightmares, there was a real woman in Chicago whose screams went unansw
EP150: McKamey Manor: Fear Fetish
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TRIGGER WARNING: This episode discusses sexual abuse, physical violence, and torture. Listener discretion is advised.
Welcome to McKamey Manor, the so-called “haunted house” turned tort
EP149: Harold the Haunted Doll [SPOOKYPEDIA]
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He looks innocent at first: small, inanimate, ch
Get Undomesticated
Candiace Dillard Bassett (Bravo’s Real Housewives of Potomac) and Michael Arceneaux (New York Times best-selling author and culture critic) have thoughts…and on Undomesticated, they’re sharing all of them. Think of it like the group chat you wish you were in - brutally honest, funny, smart, and gloriously unfiltered.
From viral TikTok drama to the celebrity news everyone’s talking about
EP148: Cannibal Werewolf [SPOOKYPEDIA]
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In the late 1500s in the village of Bedburg, Germ
EP147: Cursed Corridors: "Inmates" Forever [SPOOKYPEDIA]
Welcome to the first episode of Spookypedia!
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Step inside the shadowed
EP146: Killer Priest
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Trigger Warning: This case contains discussion of child sexual abuse.
On Holy Saturday, April 5, 198
Introducing Simpsons Declassified with Nancy Cartwright
Simpsons fans —THE VAULT IS OPEN!
I’m Nancy Cartwright, the voice of Bart Simpson for 35+ years, and I’m finally taking you inside Springfield. Simpsons Declassified is your all-access pass to the world’s most iconic, animated series.
Each week, we crack open wild predictions, eerie coincidences and fan conspiracies and stories from 36 seasons (that’s 800+ episodes!) behind-the-scene
Girl On Gore: Season 1 (Binge Edition)
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EP145: Duct Tape Killer
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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. Anderso
Girl On Gore: Season 1 Finale
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EP144: Snuff Film Killers (Part 2): Wash for us. Clean for us. F*ck for us.
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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
RE-RELEASE: The Man in the Red Bandana (ft. Tank Sinatra)
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
Ep143: Snuff Film Killers (Part 1): Wash for us. Clean for us. F*ck for us.
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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
Girl On Gore: Episode 7
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EP142: Seven Days of Hell
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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
Girl On Gore: Episode 6
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EP141: Annabelle: Hell in a Rag Doll
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She doesn’t blink. She doesn’t breathe. She doesn’t need to. Annabelle just waits....a child’s doll with a s
EP140: Preteen Predator
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In 2019, 28-year-old Brittany Zamor
Girl On Gore: Episode 5
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EP139: Castration Cult
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What compels a man to slice off his
Girl On Gore: Episode 4
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EP138: R*pist On Fire
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TRIGGER WARNING: This episode discusses the di
Girl On Gore: Episode 3
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EP137: Killer Midwife
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TRIGGER WARNING: Please note that this episode discusses the
Girl On Gore: Episode 2
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EP136: Sadistic House of Horrors: Madame LaLaurie (feat. Kaelyn Moore of Heart Starts Pounding)
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In this episode, I'm joined by speci
Girl On Gore: Episode 1
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EP135: The Serial Killer Next Door: Joel Rifkin (Part 2)
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In Part 2 of our deep dive into Joel Rifkin, aka "Joel the Ripper," we follow th
EP134: The Serial Killer Next Door: Joel Rifkin (Part 1)
Join our Patreon family for exclusive bonus content, access to BTS, a private group chat, merch discounts, and to guest co-host with Investigator Slater! www.Patreon.com/PsychopediaPod
Inspired by Gary Ridgway and Ted Bundy, serial killer Joel Rifkin modeled his victimology and body disposable methods like a grotesque homage: limbs in cement, heads in paint cans, bodies dumped with calcul
Introducing: Girl On Gore by Investigator Slater
Coming 7/28/2025
Let's Get Gory
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EP133: TikTok Execution: Killed On Camera
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On May 13, 2025, 22-year-old influencer Valeria Márquez was executed on TikTok livestream — shot point-blank by a man disguised as a delivery driver inside her own beauty salon
EP132: Missing and Murdered: The Highway of Tears
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The Highway of Tears, a desolate stretch of road in British Columbia, Canada, is infamous for its gruesome history of disappearances and murders. Over the past few decades, at l
EP131: Tiger King: Lions and Tigers and Mullets, Oh My!
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Joe Exotic, the self-proclaimed “Tiger King,” built his corrupt empire on cruelty, deception, and manipulation. Behind the mullet and over-the-top persona was a man consumed by narcissism
EP130: Greyhound Bus Beheading
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This was one of the most shocking crimes in Canadian history—a scene so gruesome it sounded like urban legend. On a Greyhound bus traveling through the open stretch of Manitoba in July 20
Friday the 13th: Death, Disaster, and Destruction
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In this chilling Friday the 13th special episode, we crack open one of history’s most cursed calendar dates and examine some nerve-shredding catastrophes that have unfolded when the 13th has
EP129: Cannibal Serial Griller: Joe Metheny
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Joe Metheny wasn’t just a serial killer—he was a grotesque spectacle of depravity wrapped in a 450lb form. A truck driver with a taste for control,
EP128: R*pe Fantasy Control Killer
In July 2022, a 27-year-old single mom from England named Shaye Groves, was convicted of murdering her boyfriend, 25-year-old Frankie Fitzgerald. Shaye had an obsessive fascination with serial killers, true crime documentaries, and r*pe fantasy, and her walls were adorned with framed pictures of notorious serial killers whom she "admired."
Horrifyingly, after discovering some messages o
EP127: Brittany Murphy's Mysterious Death: Accidental? As if!
Brittany Murphy’s shocking death at just 32 was not only a tragic loss but also the spark of countless conspiracy theories, from claims of foul play at the hands of her husband to whispers of a government cover-up linked to a national security whistleblower. Some have even drawn chilling connections between her untimely demise and powerful figures like Sean "Diddy" Combs.
Once a beloved,
Tank Made It This Far: He's A Real One!
Oh Tank….look what you made me do, look what I made for you. Thank goodness there’s an “episode” about you and you’re not dead! Anyway, you’ll always have a place at Psychopedia. THANK YOU for giving us the gift of you for two years! Catch you in the sunlight, Macrohost. To learn more about listener data and our privacy practices visit: https://www.audacyinc.com/privacy-policy Lear
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