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 (MP21918) and 3 other sources
On a Tuesday in the late autumn of 1990, a 39-year-old man named Jay Greenholz walked away from his home in Huntington, New York, and vanished. It was November 20th, and the world was on the cusp of the holiday season, but for Jay's family, a long and painful period of uncertainty was just beginning. At the time of his disappearance, he was described as a white male, standing 5 feet 8 inches tall and weighing around 160 pounds. He had brown hair and blue eyes. On the day he was last seen, he was wearing blue jeans, a gray jacket, and gray New Balance sneakers in a size 9. He also wore gold-framed, tinted eyeglasses. A notable physical characteristic was a mole on the right side of his nose.

The circumstances surrounding Jay's departure were stark in their simplicity: he left his residence and never returned. There was no indication of where he might have been going or why he would not come back. This lack of information created a void that has been difficult for both his loved ones and law enforcement to fill. Compounding the concern for his well-being was the fact that Jay had a speech impediment and required medication. His need for medical attention adds a layer of urgency and vulnerability to his case, leaving many to wonder about the challenges he may have faced after he disappeared.

Over the years, the investigation into Jay Greenholz's disappearance has remained open, handled by the Suffolk County Police Department. Despite the passage of time, no significant leads have emerged to shed light on what happened to him. His case is a quiet but persistent mystery, a story without an ending that has stretched across decades. The official inquiries have yielded little, and the trail has grown cold. This overview of the case reflects the painful reality for many families of missing persons: a life interrupted, a story left unfinished, and the enduring hope for answers in a case that has remained unsolved for over thirty years.

Last Seen: Nov 20, 1990

Possible Unidentified Matches (10)

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.

85%Strong
John Doe — Bronx, New York - unidentified case UP8096
John Doe — Bronx, New York
UP8096 • Found Dec 19, 1990
View case
Sex ✓Male
Age 85%Est. 30–50 vs 39
Race 100%White
Location 97%23 mi away, same state
TimingFound 4 weeks after last seen
Height 100%5'7" vs 5'8"
Weight 89%185 lb vs 160 lb
Hair 100%Brown vs Brown
Eyes 100%Blue vs Blue
84%Moderate
John Doe — Queens, New York - unidentified case UP5800
John Doe — Queens, New York
UP5800 • Found Dec 5, 2002
View case
Sex ✓Male
Age 100%Est. 35–50 vs 39 when missing
Race 100%White
Location 97%22 mi away, same state
TimingFound 12 years after last seen
Height 100%5'7" vs 5'8"
Weight 100%169 lb vs 160 lb
Hair 100%Brown vs Brown
Eyes 100%Blue vs Blue
84%Moderate
John Doe — Brooklyn, New York - unidentified case UP6167
John Doe — Brooklyn, New York
UP6167 • Found Apr 26, 1998
View case
Sex ✓Male
Age 100%Est. 45–55 vs 39 when missing
Race 100%White
Location 94%32 mi away, same state
TimingFound 7 years after last seen
Height 100%5'7" vs 5'8"
Weight 98%142 lb vs 160 lb
Hair 100%Brown vs Brown
Eyes 100%Blue vs Blue
84%Moderate
John Doe — Brooklyn, New York - unidentified case UP6883
John Doe — Brooklyn, New York
UP6883 • Found Sep 11, 1996
View case
Sex ✓Male
Age 100%Est. 30–45 vs 39 when missing
Race 100%White
Location 94%32 mi away, same state
TimingFound 6 years after last seen
Height 100%5'8" vs 5'8"
Weight 100%170 lb vs 160 lb
Hair 100%Brown vs Brown
Eyes 70%Gray vs Blue
84%Moderate
John Doe — Brooklyn, New York - unidentified case UP7817
John Doe — Brooklyn, New York
UP7817 • Found Jul 28, 1994
View case
Sex ✓Male
Age 100%Est. 35–50 vs 39 when missing
Race 100%White
Location 95%30 mi away, same state
TimingFound 4 years after last seen
Height 84%5'10" vs 5'8"
Weight 100%165 lb vs 160 lb
Hair 100%Brown vs Brown
Eyes 100%Blue vs Blue
84%Moderate
John Doe — Brooklyn, New York - unidentified case UP7736
John Doe — Brooklyn, New York
UP7736 • Found Jun 12, 1994
View case
Sex ✓Male
Age 100%Est. 30–40 vs 39 when missing
Race 100%White
Location 95%30 mi away, same state
TimingFound 4 years after last seen
Height 100%5'8" vs 5'8"
Weight 100%150 lb vs 160 lb
Hair 100%Brown vs Brown
83%Moderate
John Doe — Brooklyn, New York - unidentified case UP5603
John Doe — Brooklyn, New York
UP5603 • Found Aug 5, 2006
View case
Sex ✓Male
Age 100%Est. 40–50 vs 39 when missing
Race 100%White
Location 95%30 mi away, same state
TimingFound 16 years after last seen
Height 100%5'8" vs 5'8"
Weight 100%160 lb vs 160 lb
Hair 100%Brown vs Brown
Eyes 100%Blue vs Blue
83%Moderate
John Doe — Brooklyn, New York - unidentified case UP7719
John Doe — Brooklyn, New York
UP7719 • Found Mar 1, 1994
View case
Sex ✓Male
Age 100%Est. 35–50 vs 39 when missing
Race 100%White
Location 95%30 mi away, same state
TimingFound 3 years after last seen
Height 100%5'7" vs 5'8"
Weight 100%170 lb vs 160 lb
83%Moderate
John Doe — Brooklyn, New York - unidentified case UP7921
John Doe — Brooklyn, New York
UP7921 • Found Jun 30, 1993
View case
Sex ✓Male
Age 100%Est. 25–40 vs 39 when missing
Race 100%White
Location 94%32 mi away, same state
TimingFound 3 years after last seen
Height 100%5'8" vs 5'8"
Weight 100%170 lb vs 160 lb
Hair 100%Brown vs Brown
Eyes 0%Brown vs Blue
83%Moderate
John Doe — Bronx, New York - unidentified case UP8423
John Doe — Bronx, New York
UP8423 • Found Dec 15, 1992
View case
Sex ✓Male
Age 100%Est. 30–45 vs 39 when missing
Race 100%White
Location 97%23 mi away, same state
TimingFound 2 years after last seen
Height 100%5'7" vs 5'8"
Weight 83%130 lb vs 160 lb
Hair 100%Brown 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.

Unidentified photos are blurred because many are post-mortem. Tap a photo to reveal it.