Cold Case Unsealed

Cold Case Unsealed

By AC WilsonTrue Crime
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Cold Case Unsealed episodes

  • A Murder Went Cold for 37 Years Until DNA Found Her Killer
    The episode details the 1980 murder of Helene Pruszynski, a young journalism intern who was abducted, assaulted, and killed in Colorado. For nearly four decades, the case remained unsolved despite a dedicated group of friends and detectives who refused to let the investigation die. The breakthrough finally arrived through forensic genetic genealogy, which allowed investigators to build a family tree and identify James Curtis Clanton as the primary suspect. By secretly collecting Clanton’s DNA from a discarded beer mug in Florida, authorities confirmed a match to evidence preserved from the original crime scene. After forty years of uncertainty, Clanton was arrested and sentenced to life in prison, bringing a sense of justice to Helene’s loved ones. This overview highlights the intersection of persistent advocacy and modern science in resolving cold cases.






    This episode includes AI-generated content.
    53 min
  • ‘Crimes committed by a monster’: Man sentenced to life in sexual assault cold case
    This episode recounts the successful resolution of a 1987 cold case involving the brutal sexual assault of two young girls in Exeter, Rhode Island. After nearly four decades of uncertainty, investigators utilized forensic genetic genealogy to identify Frank Thies as the assailant through a match with a distant relative’s DNA. The narrative details how Thies, who was a member of the military at the time of the attack, was eventually apprehended in Indiana following a covert DNA collection operation. During his 2025 trial, emotional testimony from the survivors highlighted the lifelong trauma and family devastation caused by his actions. The proceedings culminated in a double life sentence, a decision the presiding judge emphasized was necessary for a "predator" who had robbed children of their innocence. Ultimately, the source illustrates how modern technology and persistent law enforcement efforts can finally deliver accountability for long-dormant crimes.

    This episode includes AI-generated content.
    33 min
  • Rodney Alcala: The Dating Game Killer's Trail of Murder
    This episode provides a comprehensive profile of Rodney Alcala, a notorious serial killer whose ability to blend into society earned him the nickname "The Dating Game Killer." The sources detail his predatory methods, highlighting how he utilized his intelligence and photography skills to lure and manipulate dozens of victims across multiple decades. Despite early warnings and repeated arrests, Alcala exploited legal loopholes and lenient sentencing to continue his violent spree until his final capture in 1979. His dark legacy is defined by a massive archive of photographs that suggests a victim count far higher than his official convictions. The narrative ultimately examines the systemic failures that allowed him to remain at large and the ongoing efforts to identify his remaining victims.

    This episode includes AI-generated content.
    46 min
  • Cold Case Unit Says 1995 Willamette River Killing Solved Through Genetic Genealogy
    The episode details the successful resolution of a thirty-one-year-old homicide investigation involving the death of Joni Marie Grigsby in Oregon. Through the use of investigative genetic genealogy, the Lane County Sheriff’s Office identified Roy C. Gomes as the perpetrator of the 1995 crime. Although the suspect died decades ago in a police confrontation, the discovery offers closure to the victim’s family after years of uncertainty. The narrative highlights the vital role of volunteer cold case units and modern forensic advancements in solving dormant cases. Additionally, it explores the ethical considerations and technical processes behind matching crime scene DNA with public genealogical databases. Ultimately, the source serves as a testament to investigative persistence and the transformative power of DNA technology in the pursuit of justice.

    This episode includes AI-generated content.
    21 min
  • Shadow in the Valley: The Yosemite Sightseer Murders
    This episode details the brutal 1999 serial murders of four women in and around Yosemite National Park. The narrative begins with the tragic discovery of three sightseers—Carole Sund, Juli Sund, and Silvina Pelosso—who were kidnapped and killed by Cary Stayner, a handyman at a local motel. It explores the intensive investigation that followed, eventually linking Stayner to a fourth victim, naturalist Joie Armstrong, through forensic evidence and his own disturbing confession. The author also examines Stayner's troubled family history, specifically the childhood kidnapping of his brother Steven, and how this trauma may have shaped his violent psychology. Ultimately, the sources provide a comprehensive look at the legal proceedings, the enduring grief of the victims' families, and the lasting impact these crimes had on national park safety and public perception.

    This episode includes AI-generated content.
    43 min
  • Frederick Police Seek Information in 1989 Cold Case Murder of Tracey Kirkpatrick
    These sources provide a comprehensive overview of the unsolved 1989 murder of Tracey Kirkpatrick, a high-achieving teenager killed while working at a Frederick, Maryland, clothing store. The materials detail the brutal nature of the crime, the discovery of the victim by a security guard, and the mysterious circumstances surrounding the lack of a clear motive or forced entry. Key investigative leads are explored, including a chilling recorded confession from an anonymous caller and the subsequent identification of several persons of interest who were never charged. The episode highlights the evolving role of forensic technology, such as genetic genealogy, which authorities hope will eventually provide a breakthrough. Ultimately, the narrative serves as both a tribute to Kirkpatrick’s life and a persistent plea for public assistance to finally bring justice to her family after nearly four decades.

    This episode includes AI-generated content.
    34 min
  • Llano County cold case remains likely identified as missing man from 2017
    The episode details a significant breakthrough in a Texas cold case involving skeletal remains found on a remote Llano County ranch in 2018. Through advanced DNA analysis and forensic anthropology, authorities have tentatively identified the deceased as Eric William Wallace, a man who had been missing since 2017. The report examines the scientific methods used to bridge the gap between an anonymous discovery and a named individual, highlighting the role of genetic genealogy and national databases. It further explores Wallace’s multi-state background and the inherent difficulties of conducting investigations within the rugged, sparsely populated Texas Hill Country. Ultimately, the source emphasizes the importance of community input and persistent police work in providing closure to families facing long-term uncertainty. The investigation remains active as detectives seek final confirmation through dental records and solicit new leads regarding Wallace’s final movements.

    This episode includes AI-generated content.
    37 min
  • The Enduring Mystery of the Doodler Serial Killer
    The episode details the San Francisco Police Department’s ongoing investigation into the Doodler, an unidentified serial killer who targeted gay men during the mid-1970s. This suspect earned his moniker by sketching portraits of his victims in nightlife venues before luring them to isolated coastal areas to be stabbed to death. The sources highlight the historical challenges of the case, noting how the intense societal stigma of the era discouraged survivors and witnesses from testifying. Recently, authorities have renewed their efforts by increasing the financial reward to $250,000 and utilizing modern forensic technology alongside age-progressed sketches. By humanizing the six official victims, the narrative seeks to spark public memory and finally secure justice for a community long haunted by these crimes. The document serves as both a historical record of a transformative time in LGBTQ+ history and an active plea for information to solve these cold cases.

    This episode includes AI-generated content.
    31 min
  • She was last seen barefoot, wearing a blue nightgown, in July 1970
    The episode examines the unsolved 1970 homicide of Paula Jean Oberbroeckling, an eighteen-year-old from Cedar Rapids, Iowa, who disappeared after leaving her apartment barefoot and in a nightgown. Her bound remains were discovered four months later in a culvert, yet the cause of death was never determined and most physical evidence was later destroyed in a 2008 flood. The sources explore various theories, including a botched illegal abortion, domestic disputes with boyfriends, or a random encounter with a predator. The narrative also highlights systemic failures and societal prejudices regarding race and gender that hindered the original investigation. Through books and cold case reviews, the text emphasizes how Paula’s story remains a haunting symbol of justice delayed and the enduring impact of a life cut short.

    This episode includes AI-generated content.
    34 min
  • Idaho Murder Victim's Family Launches Foundation to Solve Cold Cases
    Following the 2022 tragedy in Moscow, Idaho, the family of victim Kaylee Goncalves established a nonprofit organization to transform their personal loss into a national resource for justice. This foundation, operating as "Murder Has a Name," focuses on providing financial support for investigative genetic genealogy and advanced DNA testing to resolve stagnant cold cases. By partnering with specialized forensic laboratories, the initiative aims to remove the budgetary obstacles that frequently prevent law enforcement from identifying violent offenders. The episode details how DNA evidence led to the conviction of Kaylee’s killer and how her parents now advocate for other families seeking similar closure. Ultimately, the organization serves as a living legacy for Kaylee, utilizing modern science to ensure that perpetrators of unsolved crimes are held accountable.

    This episode includes AI-generated content.
    39 min

About Cold Case Unsealed

From the publisher's feed

Cold Case Unsealed is a gripping true crime podcast that reopens forgotten investigations, unsolved murders, and mysterious disappearances that never received the answers they deserved. Each episode…