He confessed to over 300 murders across three countries — and then he disappeared. Pedro Lopez, dubbed "The Monster of the Andes," is the subject of this chilling true crime podcast episode that explores one of the most devastating and under-reported serial killer cases in human history.

In this episode of Dark Whispers: Serial Killers, we descend into the psychology of a man who preyed on young girls across Colombia, Peru, and Ecuador throughout the 1970s, examining the catastrophic childhood trauma, the predatory patterns, and the catastrophic failures of the justice system that ultimately released him back into the world. Dark Whisper Studios unpacks the investigation that only broke open after a flash flood in Ecuador exposed a mass grave, the Interpol involvement, and the haunting reality that Lopez's current whereabouts remain unknown.

Subscribe to Dark Whispers: Serial Killers for new episodes every Tuesday and Thursday, and never miss a case — next time, we have another deeply disturbing story waiting for you, so stay close and keep listening.

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Behind the painted Victorian facade of a Sacramento boarding house, a grandmotherly woman served home-cooked meals, tended her garden, and quietly murdered the most vulnerable people in her care — welcome to the chilling true crime podcast story of Dorothea Puente, one of America's most deceptive and disturbing serial killers.

In this episode of Dark Whispers: Serial Killers, produced by Dark Whisper Studios, we dig into the psychology of a predator who weaponised maternal warmth, examining how Puente drugged and killed elderly and mentally ill tenants before burying their bodies beneath her manicured garden to cash their Social Security cheques — we explore the investigative failures that allowed her to kill for years, the victims whose lives were stolen, and the criminal psychology behind a killer who looked nothing like the monster she was.

Subscribe to Dark Whispers: Serial Killers, dropping every Tuesday and Thursday, so you never miss a case — and stay tuned, because our next episode is coming soon with another story that will keep the lights on all night.

He was a police officer sworn to protect his community — yet Mikhail Popkov spent nearly two decades hunting women in the dead of night across Siberia, becoming the most prolific serial killer in Russian recorded history. This true crime podcast episode pulls back the curtain on a monster who weaponised his badge, his uniform, and the trust of his victims to commit over 80 murders across the Irkutsk region. The case is as chilling as the Siberian winters in which it unfolded.

In this episode of Dark Whispers: Serial Killers, produced by Dark Whisper Studios, we dissect the psychology of a man living a terrifying double life — devoted family man and decorated officer by day, predatory killer by night. We explore the crimes themselves, the harrowing patterns investigators identified across decades, the forensic breakthroughs that finally exposed him, and the devastating human cost borne by his victims and their families. From his 2012 arrest to his second conviction in 2018 that added a further 60 victims to his toll, we trace every dark turn of one of the most staggering criminal cases of the modern era.

Subscribe to Dark Whispers: Serial Killers for new episodes every Tuesday and Thursday, so you never miss a descent into the darkest corners of the criminal mind. Next episode, we turn our attention to a brand new subject — stay close, because coming soon is a case you won't want to face alone.

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