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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 (MP85688)
On a spring day in May of 1992, 63-year-old Herbert Zickmunt disappeared from Port Jefferson Station, a community in Suffolk County, New York. The last time anyone saw him was on May 4th. At the time of his disappearance, he was reportedly wearing yellow rain gear and rubber boots, attire that suggested he may have been near the water. The circumstances surrounding his last known moments are sparse, but authorities believe he was approximately four miles north of the Port Jefferson Harbor and was likely lost at sea.

Decades have passed since Herbert Zickmunt vanished, and the case has grown cold, leaving a painful void for those who knew him. Despite the efforts of the Suffolk County Police Department, very few details about the specifics of his disappearance have ever come to light. His case remains unresolved, and no significant leads have emerged to provide a clear picture of what happened on that day. His information has been entered into national missing person databases with the hope that someone might one day come forward with information that could finally bring answers to his family.

The passage of time often brings new information, but in this case, it has only solidified the family's grief. An obituary for his son, Michael, who passed away in 2012, referred to Herbert as the 'late Herbert Zickmunt,' indicating that his family had come to accept his passing in the absence of his return. The overview of this case is one of profound and sudden loss, shrouded in the mystery of the open water. A man went out and simply never came back, leaving behind a legacy of unanswered questions and a family left to navigate their sorrow without the closure of knowing his final moments.

Last Seen: May 4, 1992

Links to Additional Sources (0)

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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 — Staten Island, New York - unidentified case UP8482
John Doe — Staten Island, New York
UP8482 • Found Aug 29, 1992
View case
Sex ✓Male
Age 100%Est. 50–65 vs 63
Race 100%White
Location 86%62 mi away, same state
TimingFound 4 months after last seen
Height 100%5'10" vs 5'11"
Weight 91%195 lb vs 170 lb
Hair 100%Brown vs Brown
Eyes 100%Brown vs Brown
83%Moderate
John Doe — Brooklyn, New York - unidentified case UP7918
John Doe — Brooklyn, New York
UP7918 • Found Jun 18, 1993
View case
Sex ✓Male
Age 85%Est. 45–65 vs 63 when missing
Race 100%White
Location 89%51 mi away, same state
TimingFound 13 months after last seen
Height 100%6'0" vs 5'11"
Weight 100%155 lb vs 170 lb
Hair 100%Brown vs Brown
Eyes 100%Brown vs Brown
82%Moderate
John Doe — Queens, New York - unidentified case UP8030
John Doe — Queens, New York
UP8030 • Found Apr 3, 1993
View case
Sex ✓Male
Age 100%Est. 55–70 vs 63
Race 100%White
Location 92%41 mi away, same state
TimingFound 11 months after last seen
Height 84%6'1" vs 5'11"
Weight 31%236 lb vs 170 lb
Hair 100%Brown vs Brown
Eyes 100%Brown vs Brown
81%Moderate
John Doe — New York, New York - unidentified case UP7292
John Doe — New York, New York
UP7292 • Found Dec 12, 1995
View case
Sex ✓Male
Age 100%Est. 55–65 vs 63 when missing
Race 100%White
Location 89%52 mi away, same state
TimingFound 4 years after last seen
Height 100%5'11" vs 5'11"
Weight 66%215 lb vs 170 lb
Hair 40%Gray vs Brown
Eyes 100%Brown vs Brown
81%Moderate
John Doe — New York, New York - unidentified case UP8001
John Doe — New York, New York
UP8001 • Found Aug 21, 1993
View case
Sex ✓Male
Age 85%Est. 45–65 vs 63 when missing
Race 100%White
Location 89%52 mi away, same state
TimingFound 16 months after last seen
Height 100%5'11" vs 5'11"
Weight 85%140 lb vs 170 lb
Hair 60%Black vs Brown
Eyes 100%Brown vs Brown
81%Moderate
John Doe — Ridge, New York
UP13092 • Found Oct 26, 1992
View case
Sex ✓Male
Age 85%Est. 45–65 vs 63
Race 100%White
Location 100%8 mi away, same county
TimingFound 6 months after last seen
Height 100%5'11" vs 5'11"
81%Moderate
John Doe — New York, New York - unidentified case UP8470
John Doe — New York, New York
UP8470 • Found Sep 14, 1992
View case
Sex ✓Male
Age 100%Est. 55–70 vs 63
Race 100%White
Location 89%52 mi away, same state
TimingFound 4 months after last seen
Height 100%5'10" vs 5'11"
Weight 96%150 lb vs 170 lb
Hair 40%Gray vs Brown
Eyes 0%Blue vs Brown
81%Moderate
John Doe — New York, New York - unidentified case UP8458
John Doe — New York, New York
UP8458 • Found Jul 26, 1992
View case
Sex ✓Male
Age 85%Est. 50–70 vs 63
Race 100%White
Location 89%52 mi away, same state
TimingFound 3 months after last seen
Height 84%5'9" vs 5'11"
Weight 100%160 lb vs 170 lb
Hair 100%Brown vs Brown
Eyes 60%Hazel vs Brown
80%Moderate
John Doe — Brooklyn, New York - unidentified case UP5617
John Doe — Brooklyn, New York
UP5617 • Found Mar 2, 2005
View case
Sex ✓Male
Age 100%Est. 50–65 vs 63 when missing
Race 100%White
Location 89%50 mi away, same state
TimingFound 13 years after last seen
Height 84%5'9" vs 5'11"
Weight 99%152 lb vs 170 lb
Hair 100%Brown vs Brown
Eyes 100%Brown vs Brown
80%Moderate
John Doe — Queens, New York - unidentified case UP6797
John Doe — Queens, New York
UP6797 • Found Jan 24, 1997
View case
Sex ✓Male
Age 85%Est. 50–70 vs 63 when missing
Race 100%White
Location 92%41 mi away, same state
TimingFound 5 years after last seen
Height 100%5'10" vs 5'11"
Weight 96%190 lb vs 170 lb
Hair 40%Gray vs Brown
Eyes 100%Brown vs Brown

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.