The person at the center of this case
Andrew Memmelaar
Missing Person · Open
50 years waiting · since 1975
Missing Person: Andrew Memmelaar
Justice for Andrew Memmelaar — the trail went cold in 1975, but the truth hasn't.
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Key leads to think about
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timeline
Lead #1What was the planned route from Lehigh, Kansas to Jeffersonville, New York, and were there any stops or detours documented?
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vehicle
Lead #2What vehicle was Andrew driving, and has it ever been located or reported?
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witness
Lead #3Did anyone see Andrew or his vehicle during the cross-country journey between Kansas and New York?
Andrew Memmelaar, a 17-year-old male, disappeared on October 25, 1975, while traveling from Lehigh, Kansas to Jeffersonville, New York—he never arrived at his destination. Nearly five decades later, the circumstances of his disappearance remain unknown, with no confirmed sightings or evidence of what happened during his cross-country journey. Anyone with information about Andrew's whereabouts or the circumstances of his disappearance is urged to contact the Sullivan County Sheriff's Office.
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More leads to consider
Beyond the top three above — each detail below could be the thread that pulls this case open.
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clue
Lead #4Why was a 17-year-old traveling alone across the country in 1975, and what was the purpose of his trip?
Have information about any of these leads?
Even the smallest detail could be the key to solving this case.
Official wording
Source Narrative
NamUs case MP12181. Missing person: Andrew Memmelaar.
Last known contact: 1975-10-25 in Jeffersonville, Sullivan, NY. Circumstances: Per law enforcement: subject left Lehigh, Kansas enroute to Jeffersonville, NY, however never arrived.
Demographics: 17 years, Male, White / Caucasian. Physical description: 5 ft 11 in, 150 lbs, hair: Red/Auburn, eyes: Blue.
Investigating agency: Sullivan County Sheriff's Office | 44-76 | 2023-05-23.
Timeline of Events
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1975-10-25
Andrew Memmelaar disappears
17-year-old Andrew Memmelaar left Lehigh, Kansas enroute to Jeffersonville, New York but never arrived at his destination. Last known contact on this date.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:October 25, 1975
Last Updated:September 9, 2026
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Any information, no matter how small, could be crucial to solving this case.
Phone: 8457947100
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Case Information
Incident:October 25, 1975
Last Updated:September 9, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 8457947100
You can remain anonymous