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 (MP12181) and 9 other sources
In the autumn of 1975, a 17-year-old male named Andrew Memmelaar embarked on a journey that would become a decades-long mystery. On October 25, he departed from Lehigh, Kansas, with the intention of visiting relatives in the small town of Jeffersonville, New York. Andrew, a young man with red hair and blue eyes, never reached his destination, and his loved ones have not heard from him since that day. The details surrounding his travel plans and the exact circumstances of his disappearance remain scarce, leaving a void of information for both his family and the authorities investigating his case. At the time of his disappearance, he was described as being approximately 5'11' to 6'1' tall and weighing around 150 pounds.

Distinctive physical characteristics were noted in Andrew's case file, offering potential clues to his identity. He had a one-inch scar on his lower left arm and another scar near his right armpit from the removal of a cyst. Additionally, a previously broken collarbone on his right side had not healed properly. These identifying marks, while significant, have not yet led to a breakthrough in the case. The Sullivan County Sheriff's Office in New York is the primary agency investigating his disappearance, a task they have continued for many years. The case has been documented by multiple missing persons organizations in the hope that public awareness might generate new leads.

The narrative of Andrew Memmelaar's disappearance is one of enduring uncertainty. A young man setting out to connect with family seemingly vanished without a trace, leaving a trail of unanswered questions. The lack of detailed information about his mode of transport or his exact route has complicated the investigation from the outset. Over the years, law enforcement has kept his case open, a testament to their commitment to resolving the mystery of his whereabouts. The passage of time has not diminished the hope of finding answers, and his case serves as a poignant reminder of the lasting impact of a person's unexplained absence on their family and community. The investigation into what happened to Andrew on his journey from Kansas to New York remains an active and unresolved matter.

Last Seen: Oct 25, 1975

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.

80%Moderate
John Doe — Bear Creek Township, Pennsylvania - unidentified case UP15764
John Doe — Bear Creek Township, Pennsylvania
UP15764 • Found May 28, 1979
View case
Sex ✓Male
Age 100%Est. 17–22 vs 17 when missing
Race 100%White
Location 87%59 mi away
TimingFound 4 years after last seen
Height 100%5'10" vs 5'11"
Weight 80%180 lb vs 150 lb
Hair 50%Brown vs Red
77%Possible
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 17 when missing
Race 100%White
Location 77%92 mi away, same state
TimingFound 19 years after last seen
Height 100%5'10" vs 5'11"
Weight 100%165 lb vs 150 lb
Hair 50%Brown vs Red
Eyes 100%Blue vs Blue
77%Possible
John Doe — Weehawken, New Jersey
UP1673 • Found May 1, 1988
View case
Sex ✓Male
Age 100%Est. 25–30 vs 17 when missing
Race 100%White
Location 79%84 mi away
TimingFound 13 years after last seen
Height 100%5'10" vs 5'11"
Weight 100%150 lb vs 150 lb
Hair 50%Brown vs Red
76%Possible
John Doe — Philadelphia, Pennsylvania - unidentified case UP17493
John Doe — Philadelphia, Pennsylvania
UP17493 • Found Jul 8, 1977
View case
Sex ✓Male
Age 100%Est. 16–18 vs 17 when missing
Race 100%White
Location 69%130 mi away
TimingFound 20 months after last seen
Height 75%5'6"–6'1" vs 5'11"
Weight 100%140 lb vs 150 lb
Hair 50%Brown vs Red
76%Possible
John Doe — Cornwall, New York - unidentified case UP9820
John Doe — Cornwall, New York
UP9820 • Found Mar 19, 2001
View case
Sex ✓Male
Age 100%Est. 20–35 vs 17 when missing
Race 100%White
Location 89%52 mi away, same state
TimingFound 25 years after last seen
Height 84%5'9" vs 5'11"
Weight 100%160 lb vs 150 lb
Hair 50%Brown vs Red
76%Possible
John Doe — Brooklyn, New York - unidentified case UP5996
John Doe — Brooklyn, New York
UP5996 • Found Jan 22, 2001
View case
Sex ✓Male
Age 100%Est. 35–50 vs 17 when missing
Race 100%White
Location 77%93 mi away, same state
TimingFound 25 years after last seen
Height 84%5'9" vs 5'11"
Weight 92%171 lb vs 150 lb
Hair 100%Red vs Red
Eyes 100%Blue vs Blue
76%Possible
John Doe — Philadelphia, Pennsylvania - unidentified case UP7296
John Doe — Philadelphia, Pennsylvania
UP7296 • Found Sep 30, 1994
View case
Sex ✓Male
Age 100%Est. 25–40 vs 17 when missing
Race 100%White
Location 70%127 mi away
TimingFound 19 years after last seen
Height 100%6'0" vs 5'11"
Weight 95%169 lb vs 150 lb
Hair 50%Brown vs Red
Eyes 100%Blue vs Blue
76%Possible
John Doe — New York, New York - unidentified case UP7873
John Doe — New York, New York
UP7873 • Found Mar 9, 1993
View case
Sex ✓Male
Age 100%Est. 30–45 vs 17 when missing
Race 100%White
Location 79%85 mi away, same state
TimingFound 17 years after last seen
Height 100%5'10" vs 5'11"
Weight 87%125 lb vs 150 lb
76%Possible
John Doe — Philipstown, New York - unidentified case UP8299
John Doe — Philipstown, New York
UP8299 • Found Apr 2, 1985
View case
Sex ✓Male
Age 94%Est. 27–35 vs 17 when missing
Race 100%White
Location 87%59 mi away, same state
TimingFound 9 years after last seen
Height 100%5'10" vs 5'11"
Hair 50%Brown vs Red
75%Possible
John Doe — Kingston, New York - unidentified case UP14680
John Doe — Kingston, New York
UP14680 • Found Oct 3, 2009
View case
Sex ✓Male
Age 100%Est. 35–50 vs 17 when missing
Race 100%White
Location 89%49 mi away, same state
TimingFound 34 years after last seen
Height 100%5'11" vs 5'11"

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.