Investigators in Washington County, Minnesota, have identified human remains discovered in two lakes more than 30 years ago as belonging to Denise Elaine Sexton Hartley. Hartley, who vanished in 1993 at the age of 27, was the youngest of 15 siblings from St. Paul. A severed head was found near Bone Lake in June 1993, followed by a foot found in Pig’s Eye Lake the following day. Using investigative genetic genealogy in 2024, authorities matched DNA from Hartley’s remains to a sample provided by her daughter. The Washington County Sheriff’s Office confirmed the identification but has yet to determine the cause and manner of Hartley’s death, and no arrests have been made in connection with the case. Investigators are urging anyone with information to contact them.
Why It Matters
The identification of Denise Elaine Sexton Hartley’s remains highlights the advancements in forensic science, particularly investigative genetic genealogy, which has solved numerous cold cases across the United States. The original discoveries of the remains in 1993 marked a significant moment in a long-unsolved case that left a family searching for answers. Hartley’s case is emblematic of many unresolved disappearances and murders that challenge law enforcement over decades, underscoring the importance of ongoing investigations as new technologies emerge. The ability to connect familial DNA to unidentified remains can provide closure for families and can potentially lead to new leads in unsolved cases.
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