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302 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.

Case Description

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Summary based on the NamUs case record (MP8297) and 8 other sources
In the late summer of 1974, a young woman named Colleen Kay Burgess vanished from Englewood, Colorado, leaving behind a life that included a husband and four children. On August 31st, the 25-year-old finished her shift at the Frito-Lay plant in Denver in the early morning hours and was never seen again. She was believed to have left in her green 1967 Chevrolet Nova. The initial quiet of her absence was broken approximately a week later when her family received a letter. The correspondence, thought to be from Colleen, delivered the distressing news that she was suffering from a terminal illness and had chosen to disappear, not wanting her loved ones to witness her decline. After this communication, there was no further contact.

The years that followed did little to unravel the mystery of Colleen's whereabouts. Despite her husband reporting her missing, there were complications with her case file, which was inadvertently removed from the police system and not re-entered until 1980. When investigators re-examined the case in 2010, they were unable to find any medical records to support her claim of a terminal illness. The investigation also noted a mention of her having been reported missing on a previous occasion, but no official records of such an event could be found. The passage of time has only deepened the questions surrounding her disappearance, leaving her family without answers for decades.

Colleen was described as a white female with red or auburn hair and hazel eyes, standing between 5'6' and 5'7' and weighing around 130 to 135 pounds. The Englewood Police Department has maintained her case, hoping that someone might still come forward with information that could shed light on what happened to the young mother after she left work that August morning. The circumstances of her disappearance, marked by the poignant and unsettling final letter, have left a lasting and unresolved sorrow for those she left behind. The case remains a quiet but persistent puzzle, a story of a woman who seemingly chose to walk away from everything she knew, leaving only a cryptic and heartbreaking explanation in her wake.

Last Seen: Aug 31, 1974

Possible Unidentified Matches (1)

Unidentified remains cases whose details are consistent with this person, ranked by how closely they compare. Fields that are unknown in either case are left out of the score.

77%Possible
View case
Sex ✓Female
Age 100%Est. 25–40 vs 25 when missing
Race 100%White
Location 79%87 mi away, same state
TimingFound 13 years after last seen
Height 100%5'5" vs 5'6"–5'7"
Weight 97%115 lb vs 130–135 lb
Hair 50%Brown vs Red

These comparisons are generated automatically from public NamUs case data and are not confirmed identifications. Only DNA, dental or fingerprint comparison by investigators can confirm an identity. If you believe two cases are connected, contact the agency handling the unidentified case.