Crime Solvers Central
Crime Solvers Central
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 (MP26943) and 4 other sources
In the winter of 1974, a 26-year-old woman named Diane Patricia Collins was living in Detroit, Michigan. On March 1st of that year, she vanished. Information regarding the specific details of her disappearance is scarce, but it is known that this was the last day anyone had contact with her. At the time she went missing, Diane was described as a white female, standing 5 feet 2 inches tall and weighing approximately 110 pounds. She had medium-length, straight brown hair and blue eyes. A distinguishing physical characteristic was a noticeable gap between her front teeth. The circumstances surrounding what happened on that early March day remain largely unknown to the public.

Details about Diane's life, her relationships, and her activities leading up to her disappearance have not been widely publicized. It is known that she was residing in Detroit, a bustling and often turbulent city in the mid-1970s. The lack of available information extends to what she was wearing or any personal items she may have had with her at the time she was last seen. Without these details, the picture of her final known moments is frustratingly incomplete for those who have sought answers in the many years that have passed since she was last heard from.

The investigation into Diane's disappearance has been handled by the Detroit Police Department. Over the decades, her case has become one of the many enduring mysteries that leave families and communities with unanswered questions. The passage of time has not brought clarity to her fate. The case of Diane Patricia Collins is an overview of a young woman who disappeared from a major American city with very few public leads or information. Her family has been left in a prolonged state of uncertainty, a testament to the quiet anguish that accompanies the long-term disappearance of a loved one.

Last Seen: Mar 1, 1974

Possible Unidentified Matches (8)

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.

80%Moderate
Jane Doe — Detroit, Michigan
UP81190 • Found Nov 7, 2000
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Sex ✓Female
Age 85%Est. 40–60 vs 25–26 when missing
Race 100%White
Location 100%Same area, same county
TimingFound 27 years after last seen
Height 100%5'2"–5'6" vs 5'2"
Weight 100%99 lb vs 110 lb
Hair 100%Brown vs Brown
Eyes 100%Blue vs Blue
79%Possible
Jane Doe — Ohio - unidentified case UP15854
Jane Doe — Ohio
UP15854 • Found Oct 22, 1975
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Sex ✓Female
Age 100%Est. 20–30 vs 25–26 when missing
Race 100%White
Location 90%49 mi away
TimingFound 20 months after last seen
Height 84%5'4" vs 5'2"
Weight 64%140 lb vs 110 lb
79%Possible
Jane Doe — Detroit, Michigan - unidentified case UP7702
Jane Doe — Detroit, Michigan
UP7702 • Found Jul 15, 2005
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Sex ✓Female
Age 100%Est. 35–50 vs 25–26 when missing
Race 100%White
Location 100%Same area, same county
TimingFound 31 years after last seen
Height 100%5'3" vs 5'2"
Hair 100%Brown vs Brown
78%Possible
Jane Doe — Detroit, Michigan - unidentified case UP11854
Jane Doe — Detroit, Michigan
UP11854 • Found May 22, 1995
View case
Sex ✓Female
Age 84%Est. 50–70 vs 25–26 when missing
Race 100%White
Location 100%Same area, same county
TimingFound 21 years after last seen
Height 84%5'4" vs 5'2"
Weight 100%115 lb vs 110 lb
Hair 70%Gray vs Brown
Eyes 100%Blue vs Blue
77%Possible
Jane Doe — Van Buren Township, Michigan - unidentified case UP8213
Jane Doe — Van Buren Township, Michigan
UP8213 • Found Sep 10, 1993
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Sex ✓Female
Age 100%Est. 20–35 vs 25–26 when missing
Race 100%White
Location 96%24 mi away, same county
TimingFound 20 years after last seen
Height 100%5'2" vs 5'2"
77%Possible
Jane Doe — Highland Park, Michigan - unidentified case UP12115
Jane Doe — Highland Park, Michigan
UP12115 • Found Mar 25, 1976
View case
Sex ✓Female
Age 100%Est. 15–25 vs 25–26 when missing
Race 100%White
Location 100%6 mi away, same county
TimingFound 2 years after last seen
Height 20%5'8" vs 5'2"
Weight 38%150 lb vs 110 lb
Hair 100%Brown vs Brown
Eyes 100%Blue vs Blue
76%Possible
Jane Doe — Detroit, Michigan - unidentified case UP8283
Jane Doe — Detroit, Michigan
UP8283 • Found Sep 21, 2000
View case
Sex ✓Female
Age 100%Est. 35–45 vs 25–26 when missing
Race 100%White
Location 100%Same area, same county
TimingFound 27 years after last seen
Height 100%5'2"–5'5" vs 5'2"
Hair 60%Black vs Brown
Eyes 0%Brown vs Blue
75%Possible
Jane Doe — Detroit, Michigan - unidentified case UP11897
Jane Doe — Detroit, Michigan
UP11897 • Found Nov 2, 1989
View case
Sex ✓Female
Age 100%Est. 19–29 vs 25–26 when missing
Race 100%White
Location 100%Same area, same county
TimingFound 16 years after last seen
Height 52%5'6" vs 5'2"
Weight 100%120 lb vs 110 lb
Hair 60%Black vs Brown
Eyes 0%Brown vs Blue

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.

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