The chemist who killed with impunity for twelve years

The chemist who killed with impunity for twelve years

The chemist who killed with impunity for twelve years: The feminicide of María José and Miguel Cortés Miranda An apartment in Iztacalco held five skulls, crime journals, and remains of at least twenty women for twelve years. Families reported the name of the same man over and over to the prosecutor's office: Miguel Cortés Miranda, a trilingual chemist, charismatic, who operated since 2012. How did this serial killer survive while justice ignored reports with addresses and testimonies? In this episode, we explore Miguel's hunting pattern through the Fundación Igualdad Animal, his veiled poems on Facebook that described crimes, and the documented negligence of authorities who had his name since 2020. From Karen Ornelas in 2012, through Frida Sofía Lima Rivera in 2014, to Viviana Elizabeth Garrido in 2018: ignored victims while he wrote confessions in code that no one deciphered. What allowed a man with unexplained scratches and chemical knowledge to remain free when every detail pointed to him? Victim: María José, 17 years old (trigger crime); identified victims: Karen Ornelas Baltazar, Frida Sofía Lima Rivera, Viviana Elizabeth Garrido, Claudia Andrea, Amairani Roblero Date: April 16, 2024 (arrest); documented crimes 2012-2024 Location: Apartment, Iztacalco, Mexico City Status: Preventive detention, ongoing trial - Five human skulls found in the apartment after the raid on April 16, 2024 - Personal diary documents dismemberment methods and the evolution of crimes since 2012 - Poem "I Will Miss You" published four days after Frida Sofía's last connection on Facebook - The prosecutor's office had the name, address, and testimonies since 2020 but classified the suspect as "unstoppable" Miguel Cortés Miranda, Iztacalco Mexico City, serial feminicide, serial killer, 2024, criminal diary, impunity, forensic, investigation, criminal minds, true crime Spanish If you want to listen to this podcast without ads and have access to premium episodes, we invite you to try our subscription with a 14-day free trial at obomedia.com. © 2026 OBOMEDIA. All rights reserved. This episode and its content (audio, text, and associated materials) are the exclusive property of OBOMEDIA and are protected by applicable copyright laws. Reproduction, distribution, editing, or commercial use in whole or in part is prohibited without prior written authorization from OBOMEDIA. For permissions, licenses, and business inquiries, write to: business@obomedia.com [business@obomedia.com]. If you'd like to listen to this podcast ad-free and access premium episodes, we invite you to try our subscription with a 14-day free trial at obomedia.com. © 2026 Created with OBOMEDIA technology. All rights reserved. This episode and its content (audio, text, and associated materials) are the property of their respective creator and are distributed under the OBOMEDIA name on platforms such as Apple Podcasts, Spotify, Amazon Music, and Pocket Casts. Reproduction, distribution, editing, or total or partial commercial use is prohibited without prior written authorization. For permissions, licenses, and commercial inquiries: business@obomedia.com

The refrigerator that held a blood secret

The refrigerator that held a blood secret: The murder of Natalia Samaniego A refrigerator gifted by a mother becomes a tomb. Natalia's body had been decomposing for eight days when the unbearable smell revealed the crime that almost passed as suicide. How did a killer send messages from his dead victim's phone, promising dinners that would never happen? In this episode, we explore the calculated coldness of a premeditated murder: the handwritten letter signed in blood asking Lucifer to hide the evidence, the videos uploaded to Facebook while the body was decomposing, and the investigation that took over a year to dismantle each lie. A family turned their pain into law; a killer never spoke. Victim: Natalia Samaniego Date: September 1-2, 2018 Location: Posadas, Misiones, Argentina Status: Life imprisonment - December 21, 2021 - A handwritten letter signed in blood and initials requested satanic entities to hide the corpse - found in the apartment. - Juan was active on Facebook uploading videos at 10:40 PM on September 8, while the body had been in the refrigerator for days. - The autopsy confirmed unilateral manual strangulation, ruling out any pact or self-harm that initial reports suggested. - Natalia was diagnosed with schizophrenia but was pharmacologically controlled; domestic violence began in 2015 with extreme jealousy and suicide threats as a control tool. Natalia Samaniego, Posadas Argentina femicide 2018, murder, strangulation, investigation, cover-up, blood letter, gender violence, criminal minds, justice, truth, true crime Spanish If you'd like to listen to this podcast ad-free and access premium episodes, we invite you to try our subscription with a 14-day free trial at obomedia.com. © 2026 Created with OBOMEDIA technology. All rights reserved. This episode and its content (audio, text, and associated materials) are the property of their respective creator and are distributed under the OBOMEDIA name on platforms such as Apple Podcasts, Spotify, Amazon Music, and Pocket Casts. Reproduction, distribution, editing, or total or partial commercial use is prohibited without prior written authorization. For permissions, licenses, and commercial inquiries: business@obomedia.com

Victoria Mafra: eight years to reveal the homicide

Victoria Mafra: eight years to reveal the homicide: The disappearance of Victoria Mafra Natalini A 17-year-old student disappears during a school trip in broad daylight with teachers present. Eight years later, her father discovers what the police and forensic experts never wanted to investigate: it was not natural causes. The body is found 1.5 kilometers from where she was last seen, and the official autopsy declares seizures. In this episode, we explore the contradictions surrounding the case: the initial autopsy versus the private expert report that determines mechanical asphyxia, the ignored witness who saw Victoria agitated near the bathrooms, and the evident post-mortem transfer in the deliberate position of the corpse. How do the school, the police, and the experts all fail in the same direction simultaneously? Why is the killer still free? Victim: Victoria Mafra Natalini Date: September 11, 2015 Location: Fazenda Pereiras, Itu, São Paulo, Brazil Status: Case reopened; perpetrator unidentified - The body was found face down with arms intertwined, indicating deliberate post-mortem manipulation and transfer from the crime scene. - The official autopsy concluded natural death due to seizures without active investigation; private experts determined direct mechanical asphyxia, likely manual. - A tractor driver saw Victoria agitated, hitting her legs between 2:30 PM and 3:00 PM; he was interviewed and dismissed by police in 2015, later rescued years after as a key witness. - For two hours, no adult supervised Victoria while she was alone 500 meters away, violating school protocols that later claimed to have been followed. Victoria Mafra Natalini, Itu São Paulo 2015, mechanical asphyxia, forensic investigation, homicide, unsolved mystery, institutional negligence, private expertise, ignored witness, Spanish true crime If you'd like to listen to this podcast ad-free and access premium episodes, we invite you to try our subscription with a 14-day free trial at obomedia.com. © 2026 Created with OBOMEDIA technology. All rights reserved. This episode and its content (audio, text, and associated materials) are the property of their respective creator and are distributed under the OBOMEDIA name on platforms such as Apple Podcasts, Spotify, Amazon Music, and Pocket Casts. Reproduction, distribution, editing, or total or partial commercial use is prohibited without prior written authorization. For permissions, licenses, and commercial inquiries: business@obomedia.com

Three Impossible Meters: The Case of Stefanie

Three impossible meters: The case of Stefanie: The homicide investigation of Stefanie Magón Ramírez Naked body in a fetal position three meters from the building. A forensic doctor certifies that this distance would require a prior run of 45 meters on a five-story terrace. Eight years later, the family continues to question what the authorities closed in weeks as a simple accident. In this episode, we explore the contradictions that turn this case into an unsolved mystery: contradictory toxicology reports (first negative, then positive for MDA/MDMA), a public declaration of murder reversed without explanation by the Prosecutor's Office, and key witnesses never formally interrogated. How did a Colombian model who arrived in Mexico City seeking opportunities end up as a statistic in a prematurely closed investigation? Victim: Stefanie Magón Ramírez Date: July 30, 2016 Location: Colonia Nápoles, Miami Street, Mexico City Status: Closed case (2016) - The first toxicology report was negative; the second, conducted days later, detected MDA/MDMA without explaining the methodology or the temporal sequence. - A public official publicly declared femicide on August 2; the Prosecutor's Office reversed the conclusion without public clarification days later. - Private cameras on Miami Street were never reviewed according to reports, despite neighbors pointing out their presence. - Three months earlier in the same neighborhood, authorities rescued 17 South American women victims of sex trafficking. Stefanie Magón Ramírez, Mexico City 2016, Colombian model, murder, investigation, forensic, femicide, unsolved mystery, questioned justice, corruption, criminal minds, Spanish true crime If you want to listen to this podcast without ads and have access to premium episodes, we invite you to try our subscription with a 14-day free trial at obomedia.com. © 2026 OBOMEDIA. All rights reserved. This episode and its content (audio, text, and associated materials) are the exclusive property of OBOMEDIA and are protected by applicable copyright laws. Reproduction, distribution, editing, or commercial use in whole or in part is prohibited without prior written authorization from OBOMEDIA. For permissions, licenses, and business inquiries, write to: business@obomedia.com [business@obomedia.com]. If you'd like to listen to this podcast ad-free and access premium episodes, we invite you to try our subscription with a 14-day free trial at obomedia.com. © 2026 Created with OBOMEDIA technology. All rights reserved. This episode and its content (audio, text, and associated materials) are the property of their respective creator and are distributed under the OBOMEDIA name on platforms such as Apple Podcasts, Spotify, Amazon Music, and Pocket Casts. Reproduction, distribution, editing, or total or partial commercial use is prohibited without prior written authorization. For permissions, licenses, and commercial inquiries: business@obomedia.com

The app that led him to murder: Mackenzie Lueck

The app that led to the murder: Mackenzie Lueck: The homicide of Mackenzie Lueck in Salt Lake City, 2019 A nursing student disappears at 3 a.m. after getting into a stranger's car in a deserted park. Her phone shuts off minutes later. What investigators will uncover in the digital records will reveal that her killer had already planned everything in advance, even posting his fantasies on Amazon. In this episode, we explore how cell phone records located both of them simultaneously in Hatch Park, how security cameras were disabled before the crime, and why a book with two murdered and burned characters was published by the killer months before the actual murder occurred. The central question remains: how many other women were contacted on that platform before Mackenzie was selected? Victim: Mackenzie Lueck Date: June 17, 2019 Location: Salt Lake City, Utah Status: Sentenced to life in prison without parole - Cell phone records placed the killer waiting for Mackenzie exactly when the Lyft dropped her off at the park at 3:00 a.m. - The security cameras at his home were deliberately disabled before he went out to look for the victim. - A contractor refused to build a secret compartment with hooks and soundproofing in the basement months before the crime. - The killer published a book on Amazon with two murdered and burned characters identical to what would happen afterward. Mackenzie Lueck, Salt Lake City homicide 2019, murder, forensic investigation, premeditated crime, criminal minds, dating platform, corpse, intrigue, justice, true crime Spanish If you'd like to listen to this podcast ad-free and access premium episodes, we invite you to try our subscription with a 14-day free trial at obomedia.com. © 2026 Created with OBOMEDIA technology. All rights reserved. This episode and its content (audio, text, and associated materials) are the property of their respective creator and are distributed under the OBOMEDIA name on platforms such as Apple Podcasts, Spotify, Amazon Music, and Pocket Casts. Reproduction, distribution, editing, or total or partial commercial use is prohibited without prior written authorization. For permissions, licenses, and commercial inquiries: business@obomedia.com