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Artwork for Psychopedia: True Crime & Criminal Psychology

Psychopedia: True Crime & Criminal Psychology

Investigator Slater
True Crime
Mental Health
Domestic Violence
Serial Killers
Murder
Cannibalism
Jack Lancaster
Violence Against Women
BDSM
Child Abuse
Gilgo Beach Murders
Psychopathy
Ed Gein
Snowtown Murders
Kidnapping
Jack the Ripper
Child Neglect
Joel Rifkin
Grey Collar Society
Psychology

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 ... more

PublishesWeeklyEpisodes237Founded4 years ago
Number of ListenersCategories
True CrimeComedy

Listen to this Podcast

Artwork for Psychopedia: True Crime & Criminal Psychology

Latest Episodes

Sarah Boone, infamously known as “The Suitcase Killer,” zipped her boyfriend inside a suitcase, laughed as he desperately begged to be let out, and recorded his final pleas for help on her cellphone. What she later described as an innocent game of hi... more

YouTube

Arthur Shawcross, the “Genesee River Killer,” murdered two children and after serving just over 14 years in prison, he was released back into society. Then women started disappearing. Their bodies began turning up around Rochester, New York, many nea... more

YouTube

In September 2026, a former Cornell student known only as Jane Doe filed a 101-page lawsuit against seven Chi Phi fraternity members, Cornell University, and more than a dozen other defendants. The complaint alleges she was incapacitated inside the f... more

Pastor J.P. Miller preached about marriage, submission, and a wife’s duty to her husband while his own wife, Mica Miller, was desperately trying to escape him. Mica accused J.P. of tracking her movements, harassing her with dozens of calls, interferi... more

YouTube

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Recent Guests

Matt Chu
Guest in studio, provides legal/analytical perspective
Episode: EP202: 50 Shades of Felony: The "Rough Sex" Defense
Bart Allen
Father of Destry Allen and advocate for reinvestigation
Allen family (descriptive)
Episode: EP200: Suicide or Setup? A Father’s Fight for Answers (feat. Bart Allen)
Miss X
Confidant/undercover contact in investigation
Episode: EP195: Five Men, One Nightmare: The Brutal Case of Anita Cobby
Kaelyn Moore
Host of Heart Starts Pounding podcast and Clues podcast
Heart Starts Pounding / Clues
Episode: EP 188: Greenbrier Ghost: The Spectral Snitch (ft. Kaelyn Moore of Heart Starts Pounding)
Dr. Tracy Tambora
Professor of criminal justice at the University of New Haven in Connecticut; expert in domestic violence.
University of New Haven
Episode: Presenting True Crime News: The Podcast
Jake Brennan
Host of the podcast Disgraceland, an award-winning music podcast exploring true crime antics of musicians.
Disgraceland Podcast
Episode: EP159: Guitar Shredding and Blood Shedding (feat. Jake Brennan of Disgraceland)
Bridget Marquardt
TV personality and paranormal enthusiast
Host of Ghost Bunny and Girls Next Level podcasts
Episode: EP152: Slit-Mouthed Woman: Am I Pretty? (feat. Bridget Marquardt of Ghost Bunny and Girls Next Level podcasts)
Tank Sinatra
Esteemed former co-host
None
Episode: RE-RELEASE: The Man in the Red Bandana (ft. Tank Sinatra)
Lena Dunham
Host of The C Word with Alyssa Bennett
The C Word podcast
Episode: EP142: Seven Days of Hell

Host

Investigator Slater
Host of the show, investigator and narrator; leads deep-dive crime analyses with research-driven storytelling.

Reviews

4.8 out of 5 stars from 19.1k ratings
  • ❤️

    Love Girl on Gore

    Apple Podcasts
    5
    Samantha1692
    United Statesa month ago
  • Episode 200

    This episode broke me. I don’t understand why this case hasn’t BLOWN UP and as a therapist I feel that the investigation, especially of a minor, should have been handled WAY better. My heart and prayers go out to Bart and his family. Let’s get this story out there and get some justice.

    Moment of levity, Bart sounds like Tom Hanks and I love it.

    Apple Podcasts
    5
    Purtgirl11
    United Statesa month ago
  • New favorite podcast

    I’m working my way through the Psychopedia backlog and I don’t know what I’ll do once I’m done!! I appreciate the thorough research, respect, and even love that goes into each episode. I enjoy learning about crime, the psychology of criminals, and the details of specific cases. Because it can all feel so heavy, the levity you bring makes it easier to engage with the topic. Overall, the knowledge I walk away with after each episode makes me feel safer and maybe slightly more neurotic about lockin... more

    Apple Podcasts
    5
    rwnsch
    United Statesa month ago
  • Everything! You 2 are F$Cki%g Awesome!

    I love it all as if today im on episode 85ish..u guys rock it all. Slater tells it and Tank kills it !! I listen to a lot of podcasts cause I work in a manufacturing plant, on my feet 10 hrs a day! so I've heard a few,cough cough. you 2 kill me, serious,funny,witty, silly, oops POP QUIZ. I love you both. you two are the true meaning of a great podacst. THANK YOU SO MUCH. TANK - HOW MANY JOBS HAVE YOU HAD? U SEEM TO RECALL 5 JOBS EVERY EPISODE!! JUST WONDERING. AGAIN, KEEP ON INVESTERSLATERING!

    Audible
    3
    Amazon Customer
    United States2 months ago
  • Love it 😍

    The amount of serial killers this podcast covers is amazing!

    The taste cleansers are fun.

    Also love the pop quiz’s!

    Thank you 🙏

    Love from Finland 🇫🇮♥️

    Apple Podcasts
    5
    ArtemisKyler Alex
    Finland2 months ago

Listeners Say

Key themes from listener reviews, highlighting what works and what could be improved about the show.

Audience praises research quality, storytelling, and compassionate approach to victims.
Some criticisms point to ads, pacing, or shifts in hosting dynamics over time.
Many listeners find the humor and banter a welcome balance to dark topics.

Chart Rankings

How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.

Apple Podcasts
#189
United States/True Crime
Apple Podcasts
#175
Canada/True Crime
Apple Podcasts
#218
United Kingdom/True Crime
Apple Podcasts
#213
Australia/True Crime
Apple Podcasts
#250
Indonesia/Top Podcasts
Apple Podcasts
#23
Indonesia/True Crime

Talking Points

Recent interactions between the hosts and their guests.

EP203: Mica Miller: The Pastor's Prisoner
Q: How did JP describe Mica's mental health diagnosis timeline in public statements after her death?
The host summarizes that JP publicly framed Mica's mental health as a breakdown with alleged diagnoses, which many believe was a manipulation tactic to shield himself and justify controlling behavior.
EP203: Mica Miller: The Pastor's Prisoner
Q: Pop quiz: what term did JP use to describe a wife's role in marriage?
The host presents a multiple-choice question about domestic shepherd, handmaiden, or helpmate, highlighting a troubling framing JP used to justify sexual control within marriage.
EP201: The Crossbow Cannibal
Q: Why did you focus on the crossbow as a symbol in this case?
The crossbow is analyzed as a sexualized instrument of power and penetration, symbolizing Griffiths' need to control and dominate, which aligned with his sexual dysfunction and quest for notoriety.
EP192: "BIG Girls Wanted" — Content House or Fetish Farm?
Q: What is the core dispute in the Paradise allegations, beyond what happened between Stefan and the residents?
The core dispute centers on consent, context, and interpretation—whether actions were consensual, whether boundaries were clearly communicated, and whether power dynamics transformed ordinary activity into coercive or exploitative behavior.
EP190: "MORE BRUTAL" than Ted Bundy - Paul John Knowles, The Casanova Killer (Part 1)
Q: What is the most common type of serial killer according to the host's quiz?
The host explains that the correct answer is hedonistic, meaning killers who murder for personal gratification, with subcategories like thrill-seeking and sexual motivation.

Audience Metrics

Listeners, social reach, demographics and more for this podcast.

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Frequently Asked Questions About This Podcast

What is This Podcast about and what kind of topics does it cover?

A hard-hitting true crime podcast that delivers immersive, narrative-driven case explorations with a strong emphasis on psychology, criminology, and victim-centered storytelling. The host weaves detailed research, courtroom context, and forensic analysis into each episode, often interspersed with light quizzes and banter to balance heavy subjects. Notable strengths include meticulous case reconstruction, clear investigative framing, and a distinctive voice that combines compassion with sharp commentary; occasional humor from a co-host adds levity without undermining stakes. Potential listeners who enjoy deep-dive analysis, ethical storytelling, and thoughtful critique of media coverage will likely find it highly engaging, though some episod... more

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Which podcasts are similar to this podcast?

These podcasts share a similar audience with this podcast:

1. Heart Starts Pounding: Horrors, Hauntings and Mysteries
2. Crimes Of Reddit with Sabrina Deana-Roga & Alexis Linkletter
3. Clues with Kaelyn Moore
4. Serialously with Annie Elise
5. Morbid

How many episodes of this podcast are there?

this podcast launched 4 years ago and published 237 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

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What guests have appeared on this podcast?

Recent guests on this podcast include:

1. Matt Chu
2. Bart Allen
3. Miss X
4. Kaelyn Moore
5. Dr. Tracy Tambora
6. Jake Brennan
7. Bridget Marquardt
8. Tank Sinatra

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