Psychopedia: True Crime & Criminal Psychology

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 near the Genesee River, as police searched for a serial killer they had already caught once before. By the time investigators finally connected the murders to Shawcross, he had been free for less than two years and 11 more people were dead. This is the horrifying story of a convicted child killer who was released from prison, the victims who paid the ultimate price, and how one devastating second chance allowed Arthur Shawcross to become one of New York’s most notorious serial killers.

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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, interfering with her finances, sabotaging her car, and posting a nude photo of her online. Then, just days after filing for separation, 30-year-old Mica was found dead from a gunshot wound in a remote state park.  Her tragic death was ruled a suicide, and authorities found no evidence J.P. was involved. But what investigators uncovered about the months leading up to Mica’s death would eventually land the controversial pastor at the center of a federal criminal case—and expose allegations of a marriage far darker than anything he preached about from the pulpit.

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Fidel Lopez claimed that his girlfriend, Maria Nemeth, had been injured during a night of “rough sex” - but when police found Maria dead and disemboweled, with her intestines torn from her body and blood and tissue scattered throughout their apartment, it became horrifyingly clear that this was no sexual accident. What began as a night of tequila and intimacy in their Sunrise, Florida, apartment descended into an almost incomprehensible act of violence after Maria called out her estranged husband’s name during sex. Under interrogation, Fidel’s story began to collapse - and what he eventually admitted to doing to Maria was so grotesque that even seasoned investigators struggled to comprehend the crime scene. This is the brutal murder of Maria Nemeth, the disturbing confession of Fidel Lopez, and the story behind the so-called “50 Shades Defense”: when “rough sex” becomes a convenient explanation for violence against women.

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Stephen Griffiths, the “Crossbow Cannibal,” hunted his victims with a crossbow before dismembering their bodies and eating their remains. A criminology student in Bradford, England, Griffiths didn’t just study murder - he became the very thing he had spent years obsessing over: a serial killer. Horrifyingly, part of his blood-soaked reign was captured on CCTV when a terrified woman was seen running for her life through his apartment building's hallway, with Griffiths chasing close behind. Moments later, he shot her in the head with a crossbow. But what investigators uncovered would reveal something even more disturbing: a killer consumed by homicide, violence, and death who had ultimately made himself the subject of his own twisted research.

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Seventeen-year-old Destry Allen was found dead from a gunshot wound to the head by his own father, Bart. Authorities ruled it a "pristine suicide" - but to Bart, and to several experts who later examined the case, almost nothing about the scene pointed to suicide. The subsequent investigation did little to resolve those questions. No autopsy was conducted, despite state law requiring one. No toxicology screen. No meaningful ballistics analysis. No testing of the blood evidence. Simply put: the investigation into Destry Allen's death seemed to end before it ever truly began.

For Psychopedia’s 200th episode, I wanted to do something that felt especially meaningful: use this platform to shine a light on a victim whose story deserves to be heard, and on a family that has spent two decades fighting to be heard alongside him.  So I sat down with Bart Allen himself to hear, in his own words, what he saw when he found his son, what happened in the days and years that followed, and why he remains convinced there is far more to Destry’s death than the official story. 

This is the story of a 17-year-old boy, a father and mother who refuse to stop fighting for him, and one haunting question that has never gone away: Did Destry Allen take his own life...or was he murdered in cold blood?

DISCLAIMER: Any statements or theories presented in this episode regarding a potential suspect reflect the opinions and conclusions of Bart Allen, based on his interpretation of the physical evidence, timeline, anecdotal information, and his extensive review of the circumstances surrounding Destry’s death. These allegations and theories have not been proven in a court of law, and no law enforcement agency has formally determined that any individual discussed in this episode was responsible for Destry’s death. No person identified as a potential suspect in this episode has been charged with a crime in connection with Destry’s death. All individuals are presumed innocent unless and until proven guilty in a court of law.

If you have any information relating to Destry Allen's death, or would like to connect with Bart Allen and/or Carl Conway, please use the contact info below:

Bart Allen: [email protected]

Carl Conway: [email protected]

Bart Allen's book, "A Pristine Suicide" can be found here: https://www.amazon.com/dp/B005FXZJYE?lv=shuf&channelId=500&plpRedirect=mhFallback

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Famous Brazilian football/soccer star Bruno Fernandes de Souza had the mother of his child, Eliza Samudio, kidnapped, murdered, dismembered, and allegedly fed to a pack of Rottweilers. At the height of his career, Bruno was the celebrated goalkeeper and captain of Flamengo, one of Brazil’s biggest football clubs, with fame, money, and an adoring fanbase. But behind that superstar image was an increasingly vicious battle with 25-year-old Eliza Samudio, a former model who became pregnant with Bruno’s child and demanded that he acknowledge the baby and provide financial support. Eliza reported threats and violence, sought protection from the courts, and warned that she feared Bruno would kill her. Then, in June 2010, she disappeared. Eliza’s remains have never been found, but in 2013, Bruno was convicted for his role in her kidnapping and murder, transforming one of Brazilian football’s brightest stars into the central figure of one of the country’s most infamous crimes.

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16-year-old Gabrielle "Britney" Ujlaky was strangled, stabbed in the neck, and left in the Nevada desert by her 18-year-old best friend, Bryce Dickey - but not before she took a Snapchat selfie that would help solve her own murder. When Britney disappeared in March 2020, investigators went searching for a mysterious "cowboy" who had supposedly driven off with her shortly before she vanished. But the cowboy story began to fall apart as Britney's final hours were reconstructed through surveillance footage, cell phone data, DNA, and one eerily ordinary Snapchat photo taken inside a truck. What emerged was a case of misdirection hiding in plain sight, where the smallest digital breadcrumbs exposed an elaborate lie and led investigators back to the real suspect. This is the story of a teenage girl whose killer tried to manufacture a stranger, and of the ordinary photo she left behind that made that stranger disappear.

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When Aziza Kibibi was eight years old, her biological father Aswad Ayinde, an award-winning video director working with artists like Lauryn Hill and Wyclef Jean, began abusing her. By the time Aziza was twelve, her father had subjected her to years of abuse and treated her as his property; and by fifteen, Aziza had become a mother to her father’s children. Everything Aswad claimed to be - educator, protector, husband, father, even a conduit to God - was a fiction sustained by fear. And the home he built to supposedly shield his children from the dangers of the outside world would become the most dangerous place they would ever know…

TRIGGER WARNING: Please note that this case involves child abuse, incest, sexual violence, domestic violence, and reproductive abuse. PLEASE LISTEN WITH CAUTION.

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A discarded cup of coffee is what finally brought serial killer John Getreu down. After evading justice for nearly 50 years, investigators used DNA recovered from a discarded coffee cup to expose a man who had spent decades hiding behind the image of a trusted Boy Scouts leader, mentor, husband, and neighbor. But when his DNA was compared to evidence preserved from long-forgotten crime scenes, it revealed a vicious predator linked to the murders of multiple women. In this episode, we unravel the astonishing investigation that finally caught up with John Getreu, examine the warning signs that were missed for decades, and explore how advances in DNA technology finally exposed a killer who thought he'd gotten away with murder.

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Five sadistic men brutalized one innocent woman in a case so horrifying, it altered the DNA of Australia forever. In 1986, 26-year-old nurse Anita Cobby began her walk home from a train station when she was abducted by five men out for blood.  What these men did to Anita defies comprehension. The sheer brutality of the crime shocked Australia, sparked one of the nation's most infamous murder investigations, and left a scar that remains nearly four decades later. In this episode, we look beyond the headlines to honor the woman Anita was, examine the unimaginable torture she endured at the hands of a pack of violent predators, and explore why her story continues to resonate across Australia and around the world.

TRIGGER WARNING: SA and extreme violence

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