Forensic Files

In 1993, South Florida experienced a violent crime spree targeting tourists, characterized by 'bump and rob' tactics and fatal assaults. This episode follows the harrowing experience of German journalist Helga Lust, who transitioned from covering crime safety to becoming a victim of a brutal assault involving a deep bite wound. The investigation relied on advanced forensic odontology, using dental impressions and specialized photography to link suspect Stanley Cornett to the crime. The narrative details the technical process of bite mark analysis, including the use of plaster models and light spectrums to identify dental patterns. Despite Cornett's attempts to use an alibi and legal delays, the combination of victim identification and forensic evidence led to his life sentence. The episode concludes with the impact of these crimes on Florida tourism and Helga Lust's subsequent work in victim advocacy through her group, Witness Justice.

In 1979, Diana Green was brutally assaulted in her California apartment, an attack that resulted in the death of her unborn child and left her in a coma. Her husband, Kevin Green, was subsequently convicted of the crime based on her eyewitness testimony, despite his claims of innocence and the presence of a mysterious figure outside their home. The case remained closed for sixteen years until advancements in DNA technology and a confession from an inmate known as the 'bedroom basher' revealed the true perpetrator. The episode explores the complexities of memory, the limitations of forensic science in the late 1970s, and the eventual exoneration of Kevin Green. Through interviews and archival accounts, the narrative details how a series of unsolved rape-murders were linked to Gerald Parker, whose DNA match ultimately corrected a profound miscarriage of justice.

This episode investigates the death of Ari Squire, which was initially believed to be an accidental garage fire but was later revealed to be a calculated murder-suicide. Investigators discovered that Squire murdered Justin Newman to fake his own death for insurance fraud purposes. The investigation eventually led to the discovery of Squire's body in a Missouri motel, where he died by suicide to avoid life imprisonment. The aftermath includes a wrongful death lawsuit and investigations into Denise Squire's potential involvement in the murder plot.

This episode introduces the third season of Death of an Artist, a critically acclaimed podcast from Pushkin. The series investigates the story of Petra and Michael Mathers, a beloved children's book author and documentary photographer who ended their lives together in their Oregon home in early 2024. Before their deaths, they mailed letters to friends and family explaining their decision and expressing their lifelong happiness. Journalists Leon Nafak and Alice Gregory explore the complex aftermath of this event through intimate interviews with those who received the letters. The narrative functions as a blend of mystery and love story, examining themes of grief, aging, and the profound impact of complex human choices on loved ones left behind.

In the small town of Navasota, Texas, a prominent community leader and funeral director, Lonnie Turner Sr., was found shot to death in his bedroom. The investigation initially focused on his son, Lonnie Jr., due to suspicious behavior, gunshot residue on his hands, and a 9mm handgun found under his mattress that matched the murder weapon. However, forensic DNA analysis of a homemade mask found near a nearby creek provided a breakthrough, eventually linking the crime to the victim's godson, James White. The case involves complex layers of family dynamics, including conflicting accounts from the victim's son and brother, as well as allegations of a conspiracy. While White eventually confessed to the shooting but claimed he was coerced by Lonnie Jr., physical evidence and cell phone records supported the son's alibi. The episode explores how forensic science ultimately resolved a case filled with contradictory testimonies and deep-seated community suspicion.

This episode of Serial Killers and Murderous Minds investigates the 1982 abduction and murder of 11-year-old Krista Lee Harrison in Marshallville, Ohio. The investigation centered on highly unusual orange trilobal polyester carpet fibers found at the crime scene, which also appeared in a previous murder case involving Tina Harmon. As investigators faced the possibility that a serial killer was active in the region, they utilized forensic evidence—including specific plastic packaging and cardboard from Sears Roebuck & Company van seat shipments—to track potential suspects. The case reached a breakthrough following the kidnapping and escape of a gas station manager, whose survival provided the identity of Robert Anthony Buell. Through meticulous forensic links involving carpet fibers, clothing patterns, and paint samples, prosecutors were able to secure a death sentence for Buell, while simultaneously uncovering evidence that led to the exoneration of a previously convicted man.

An investigation into a series of execution-style killings in North Carolina reveals a connection between the murders of Victor Gunnarsson and Catherine Miller. The discovery of an unidentified body in the Blue Ridge Mountains leads investigators to uncover a complex web of stalking, jealousy, and forensic evidence involving a retired police officer. Through the use of typewriter ribbon analysis, infrared spectroscopy on electrical tape, and mitochondrial DNA testing on hair found in a car trunk, authorities link L.C. Underwood to the crimes. The case highlights how modern forensic technology can bridge the gap between seemingly unrelated homicides and provide definitive proof in cases involving meticulous attempts to destroy evidence.

Este episódio de Murder in the Heartland investiga o misterioso desaparecimento de Tamika Houston, uma estudante de enfermharia de 24 anos na Carolina do Sul. O caso, que inicialmente levantou suspeitas sobre seu ex-namorado, ganha um novo rumo quando uma pista inesperada — um conjunto de chaves encontrado em um carro abandonado — direciona a polícia para o complexo de apartamentos Fremont School. A investigação revela uma trilha de evidências biológicas e testemunhos que conectam Christopher Hampton ao crime. Através da análise de manchas de sangue em uma carteira e da descoberta de vestígamente de DNA no apartamento de Hampton, as autoridades conseguiram localizar o local onde o corpo de Tamika foi enterrado, levando à condenação do culpado por prisão perpétua.

This episode investigates the six-year reign of terror by a serial killer known as the Zodiac, who targeted victims in New York City based on their astrological signs. The perpetrator sent taunting letters to the police and newspapers, claiming he would strike only when specific constellations were not visible in the sky. The investigation spanned multiple years and involved complex forensic techniques, including handwriting analysis, fingerprint recovery using chemical reagents, DNA testing from saliva on an envelope, and advanced ballistics involving tool mark analysis of homemade zip guns. The manhunt eventually culminated in the arrest of Eddie Seda following a hostage situation in Brooklyn. Through a combination of forensic astronomy, codebreaking, and traditional detective work, investigators linked Seda to the series of shootings. The episode details the overwhelming forensic evidence that led to his conviction and sentencing to 2 centuries in prison.

This episode investigates the suspicious death of Michelle Nice and the subsequent investigation into her husband, Jonathan. Initially appearing to be a car accident, forensic evidence—including blood spatter and reconstructed shoe soles—uncovered a violent homicide involving a baseball bat. Despite Jonathan's attempts to stage the scene and claims of self-defense following an extortion attempt involving his wife's lover, physical evidence proved decisive. The trial concluded with the jury convicting Jonathan of passion provocation manslaughter.

This episode examines the complex legal battle of Martin Frias, who was initially convicted of the 1984 murder of his wife, Ernestine Perea, in Wheatland, Wyoming. The prosecution's case relied on forensic evidence suggesting a homicide involving a struggle and a shot to the back, while the defense presented new scientific findings, including scanning electron microscopy, to argue for a suicide. Through a detailed analysis of ballistics, blood sputters, and acoustics, the narrative explores how a second trial and the introduction of new expert testimony led to an acquittal based on reasonable doubt.

In 1995, 14-year-old Jenna Mauser disappeared from her home, only for her body to be discovered days later in a roadside ditch. The investigation initially faced a lack of physical evidence, as there were no DNA samples or signs of a struggle within the home. However, a combination of forensic botany and advanced photogrammetry eventually linked her stepfather, Doug Mauser, to the crime. Investigators utilized plant biology to identify specific yellow star thistle found under the suspect's car that matched the development of plants found near the body. Furthermore, 3D modeling of post-mortem pressure marks on the victim's skin allowed experts to recreate the exact pattern caused by a seat belt buckle and carpet edge in the suspect's vehicle. The episode details the reconstruction of the crime and the forensic breakthroughs that led to a murder conviction.

In 1988, the death of popular Durham High School teacher and coach Russ Steger was initially ruled an accidental shooting. His wife, Barbara Steger, claimed the .25 caliber pistol under his pillow discharged while she was attempting to remove it. However, forensic evidence, including bullet trajectory, trigger pull tests, and the absence of gunpowder residue, began to contradict her account. As investigators delved deeper, they uncovered a pattern of suspicious deaths involving Barbara's previous husband and discovered evidence of financial fraud, including forged signatures and a $170,000 life insurance policy. The case was ultimately solidified by a chilling audio recording made by Russ Steger himself just days before his death, in which he expressed fear for his life and suspicion regarding his wife's motives.

This episode of Disturbed True Horror Stories explores the chilling case of Marie Robards, a high-achieving student in Texas who orchestrated what appeared to be the perfect crime. Following the sudden death of her father, Steve Robards, from what was initially ruled a natural heart attack, a hidden truth began to emerge through a Shakespearean connection and a friend's growing torment. The investigation eventually utilized advanced gas chromatography to uncover a massive, lethal dose of a rare metallic poison stolen from a high school chemistry lab. The narrative details the forensic breakthrough that linked the stolen substance to the crime, the subsequent confession, and the trial that captivated the public. Driven by a desire to reunite with her mother, Marie's actions led to a conviction and a twenty-seven-year prison sentence, leaving behind a legacy of a calculated crime born from the complexities of family upheaval and teenage resentment.

This episode investigates the investigation into Archbishop Valerian Trifa, a high-ranking Romanian Orthodox Church official in the United States accused of being a Nazi war criminal. After decades of allegations from Romanian immigrants, the U.S. government sought scientific proof to determine if Trifa had lied to immigration officials about his past involvement with the Iron Guard and his experiences during World War II. The narrative follows the forensic journey of analyzing 40-year-old postcards found in German archives. Through the use of advanced handwriting analysis and groundbreaking laser technology to reveal a latent fingerprint, investigators were able to link the Archbishop to the incriminating documents. The episode details the intersection of historical war crimes, the persistence of victims' families, and the evolution of forensic science in bringing long-dormant cases to light.

In July 1996, a fisherman off the coast of Devon, England, discovered the body of an unidentified man caught in his nets. The investigation into the deceased, eventually identified as Ronald Platt, led police to a man living in England under Platt's stolen identity. Through forensic analysis of a Rolex watch, a 10-pound anchor, and DNA evidence, investigators uncovered a complex web of identity theft and murder involving a Canadian fugitive. The case concluded with the revelation that the man posing as David Davis was actually Albert Johnson Walker, a high-profile Canadian embezzler who murdered Platt to protect his new life.