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Human remains found in 2 Twin Cities lakes 33 years ago identified as Denise Hartley

Published June 12, 2026 · Updated June 12, 2026 · By Susan Smith

Denise Hartley Identified in 33-Year-Old Twin Cities Lake Cold Case

Breakthrough in Cold Case Solving

Human remains found in 2 Twin - After 33 years of investigation, the identity of human remains discovered in two Twin Cities lakes has been finally confirmed. The remains, which were found in 1993 and remained unidentified for decades, have now been identified as Denise Elaine Sexton Hartley, a 27-year-old woman from St. Paul who disappeared under mysterious circumstances. This breakthrough marks a significant moment in the ongoing efforts to solve one of the Twin Cities' most enduring cold cases. The confirmation was made possible through advanced forensic techniques, including investigative genetic genealogy, which have revolutionized the way cold cases are approached in modern times.

Discovery and Initial Clues

The mystery began in June 1993 when a severed head was recovered from Bone Lake in Scandia, Minnesota, and a foot was found in Pig’s Eye Lake in St. Paul just days later. At the time, investigators faced challenges in linking the remains to any known individuals, as the fragments were scattered and no clear evidence pointed to a suspect. The case gained national attention due to the locations of the discoveries, which are iconic waterways in the Twin Cities metropolitan area. Despite extensive searches and forensic analysis, the identities of the victims remained unknown until recent advancements in DNA technology provided a new avenue for solving the case.

Scientific Breakthrough and DNA Confirmation

The identification of Denise Hartley was achieved through a combination of genetic testing and collaborative efforts between forensic experts and family members. A DNA sample provided by her daughter was instrumental in matching the remains to Hartley’s genetic profile, according to the Washington County Sheriff’s Office. This method, known as investigative genetic genealogy, involves using public DNA databases to trace familial connections, a technique that has become a cornerstone in solving cold cases involving human remains found in 2 Twin Cities lakes. The process allowed investigators to overcome the limitations of traditional methods and finally connect the evidence to a specific individual.

Timeline of the Investigation

The case has spanned nearly three decades, with investigators revisiting the scene and analyzing new leads over the years. Hartley’s disappearance in 1993 sparked a thorough search for answers, but the lack of conclusive evidence left the case unresolved. As the years passed, new technology and updated methodologies enabled detectives to revisit the investigation with fresh perspectives. The recent identification of the remains highlights the importance of persistence and innovation in cold case solving. This development also underscores how advancements in forensic science have transformed the ability to solve cases involving human remains found in 2 Twin Cities lakes.

Public Involvement and Ongoing Clues

With the identification of Denise Hartley, the case has taken a new turn, but the search for the truth behind her disappearance continues. Investigators are now seeking additional information from the public, including any witnesses or leads related to Hartley’s life or the events leading up to her death. The Twin Cities community has been deeply affected by this case, and many remain hopeful that further discoveries will shed light on the circumstances of her demise. Public engagement remains a critical component in cold case investigations, as new information can often bridge the gaps left by decades of unanswered questions.

Legacy of the Case

The identification of Denise Hartley has not only provided closure for her family but also inspired renewed interest in cold cases involving human remains found in 2 Twin Cities lakes. Her story serves as a reminder of the power of forensic innovation in bringing justice to long-forgotten mysteries. As the investigation continues, the hope is that the clarity gained from this breakthrough will lead to further advancements in solving similar cases. Hartley’s legacy will be remembered through the efforts of those who dedicated years to uncovering the truth, and her identification offers a beacon of hope for future cold case resolutions in the Twin Cities area.