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Remains found in Utah desert 28 years ago with help of a psychic finally identified through DNA genealogy

Published June 25, 2026 · Updated June 25, 2026 · By Barbara Moore

Remains Found in Utah Desert 28 Years Ago, Identified via DNA Genealogy

Remains found in Utah desert 28 years - After 28 years, the remains of a man discovered in the Utah desert with the assistance of a psychic have finally been identified. The breakthrough came this week, as the body of Pedro Calderon Marioni, a 31-year-old individual, was confirmed through advanced genetic genealogy techniques. This revelation has brought closure to his family, who have waited decades for answers about his mysterious disappearance.

A Psychic's Role in the Discovery

Marioni’s remains were found on June 2, 1998, in the Glen Canyon National Recreation Area near Ticaboo, Utah. The search was initiated by the Colorado Bureau of Investigation (CBI), which had been tracking three suspects linked to the murder of Officer Dale Claxton. A psychic, whose name was not disclosed in the announcement, played a pivotal role in guiding investigators to the location. The body was uncovered near a drainage path, partially buried by sand, rock, and dirt. At the time, the CBI agent who discovered the remains noted that the man had likely been dead for two years prior to the find.

Items and Clues at the Scene

Among the items found near the skeletonized remains were cowboy boots, a bathrobe, a Ford truck key, and a long-distance calling card. These belongings suggested Marioni was en route from Texas to California, possibly on a road trip. However, despite extensive investigation, no clear connection was made between the remains and the three fugitives. The body, now known as "Garfield County John Doe," remained unidentified for over two decades, lingering as a cold case mystery.

Breakthrough Through Genetic Genealogy

Two years ago, in July 2022, the remains were sent to Othram, a specialized cold case processing lab in Texas, for advanced forensic genetic genealogy testing. This technique, made possible by federal grant funding, allows investigators to analyze DNA samples and trace genetic connections to potential family members. The lab successfully generated a DNA profile, opening new avenues for identification. Through a meticulous process involving historical records, family leads, and interviews, a possible relative was identified in May 2023. Her DNA sample confirmed that Marioni was her brother, marking a significant milestone in the case.

Collaboration and Persistence Pay Off

“This identification demonstrates the value of persistence, collaboration, and advancements in forensic science,” said Sgt. Tom Talbot of the Garfield County Sheriff’s Office in a news release. “Most importantly, it provides long-awaited answers to a family that has lived for decades without knowing the fate of their loved one.” The breakthrough highlights the growing importance of genetic genealogy in solving cold cases, a method that has revolutionized criminal investigations. The sheriff’s office noted that this marked the eighth publicly announced cold case ID using Othram’s lab for genetic analysis. The case’s resolution underscores how technology and traditional methods can work in tandem to uncover the truth.

The Murder and Suspects' Fate

Marioni’s death was tied to the 1998 murder of Officer Dale Claxton, a critical event that drew national attention. The three suspects involved in the officer’s killing had fled the scene, but investigators eventually located them and traced their deaths to suicide. The closure of this case not only solved the mystery of Marioni’s identity but also tied together a series of events spanning years. The use of DNA genealogy in this instance has been credited with advancing the field, as seen in similar cases like the Rachel Morin case in Idaho. According to the lab’s founder, the shift in cold case-solving strategies is now undeniable, with genetic analysis becoming a cornerstone of modern forensic investigations.

Legacy of a Solving Technique

Marioni’s identification stands as a testament to the power of genetic genealogy. This method, which combines DNA analysis with public genealogy databases, has transformed how cold cases are approached. By cross-referencing genetic markers with family trees, investigators can narrow down potential matches and confirm identities with unprecedented accuracy. The success of this case has inspired other agencies to adopt the technique, leading to a surge in solving long-standing mysteries. For the Marioni family, the breakthrough has not only revealed the truth about their loved one but also rekindled hope for other unresolved cases. The process of identifying Marioni involved months of research, interviews, and analysis, reflecting the dedication required to bring closure to such prolonged investigations.

Implications for Future Investigations

The case has sparked discussions about the broader applications of DNA genealogy. Law enforcement agencies are now exploring ways to integrate this technology into their standard procedures, particularly for cases with limited physical evidence. The collaboration between the Garfield County Sheriff’s Office and Othram exemplifies the growing partnership between local law enforcement and specialized forensic labs. This approach has proven effective, with the Marioni case serving as a landmark example of how modern science can bridge gaps left by traditional methods. As more cases are solved through this innovation, the hope is that it will continue to provide answers to families who have waited years for resolution. The journey from a psychic’s insight to DNA confirmation is a compelling narrative of persistence and technological progress, ensuring that even the most elusive mysteries can find their resolution.

Looking Ahead: A New Era in Forensics

With the identification of Marioni, the case has become a symbol of how far forensic science has advanced. The ability to use genetic data to trace familial connections has opened new doors in criminal investigations, particularly for cases where the victim’s identity was previously unknown. This development is part of a larger trend in law enforcement, where technology is increasingly relied upon to solve crimes that once seemed unsolvable. The Marioni case, however, also serves as a reminder of the human element in these investigations—the patience of the family, the intuition of the psychic, and the dedication of the teams involved. Together, these factors have created a story that is both scientific and deeply personal, offering a glimpse into the future of cold case solving.

The integration of DNA genealogy into cold case investigations has been a game-changer, enabling agencies to connect dots that were previously invisible. As the Garfield County Sheriff’s Office continues to leverage this technique, it is likely to become a model for other regions facing similar challenges. The identification of Marioni not only honors his memory but also provides a renewed sense of purpose for those working to solve other unresolved mysteries. With each success, the field of forensics moves closer to a future where even the most elusive cases can be brought to light, offering closure to families and justice to the victims.