The person at the center of this case
Jon Truscott Haynes
Missing Person · Open
45 years waiting · since 1981
Missing Person: Jon Truscott Haynes
Justice for Jon Truscott Haynes — the trail went cold in 1981, but the truth hasn't.
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Key leads to think about
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vehicle
Lead #1A beige, two-door 1981 Subaru with California license plate 1 CPK 105 disappeared with Jon. Has this vehicle ever been located or spotted?
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witness
Lead #2Who was working at or near the 7-11 on 28th and Baseline on July 24, 1981? Did anyone see Jon leave or interact with others?
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clue
Lead #3Why did Jon disappear just days after arriving in Boulder to start college? Did something happen at or after the 7-11 visit?
Jon Truscott Haynes, an 18-year-old arriving in Boulder, Colorado to attend the University of Colorado, vanished on July 24, 1981, after being seen at a 7-11 convenience store near 28th Street and Baseline. His beige 1981 Subaru (CA Lic# 1 CPK 105) also disappeared with him, suggesting he may have left the area voluntarily or been taken. After more than four decades, the circumstances of his disappearance remain unknown, and investigators continue seeking information about his whereabouts or what happened that summer day.
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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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timeline
Lead #4What were Jon's movements and plans between arriving in Boulder in late July and his last sighting on July 24?
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 MP320. Missing person: Jon Truscott Haynes.
Last known contact: 1981-07-24 in Nederland, Boulder, CO. Circumstances: Jon arrived in Boulder, CO in late July planning to enroll as a student at the University of Colorado.
He was last seen at a 7-11 convenience store in the vicinity of 28th St. and Baseline in Boulder, CO.
His vehicle is also missing and is described as a beige, two door, 1981 Subaru with CA Lic# 1 CPK 105. Demographics: 18 years, Male, White / Caucasian.
Physical description: 5 ft 10 in, 140 lbs, hair: Blond/Strawberry, eyes: Green. Investigating agency: Boulder County Sheriff's Office | S81-6082 | 1982-07-16.
Timeline of Events
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1981-07-24
Last Seen at 7-11
Jon Truscott Haynes was last seen at a 7-11 convenience store in the vicinity of 28th Street and Baseline in Boulder, Colorado. He had recently arrived in Boulder planning to enroll at the University of Colorado.
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1982-07-16
Case Filed
Boulder County Sheriff's Office formally filed case S81-6082 regarding Jon's disappearance.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:July 24, 1981
Last Updated:August 13, 2026
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Phone: 3034413600
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Case Information
Incident:July 24, 1981
Last Updated:August 13, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 3034413600
You can remain anonymous