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 #1Where is the beige 1981 Subaru with California license plate 1 CPK 105? Any sightings or records of this vehicle after July 24, 1981?
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witness
Lead #2Did anyone see Jon at the 7-11 or in the surrounding area on July 24, 1981? Were there other customers or staff who interacted with him?
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clue
Lead #3Why did Jon disappear shortly after arriving in Boulder to start college? Was he planning to meet someone or go somewhere specific?
Jon Truscott Haynes, an 18-year-old male, disappeared on July 24, 1981, in Boulder, Colorado, shortly after arriving to enroll at the University of Colorado. He was last seen at a 7-11 convenience store near 28th Street and Baseline in Boulder, and his beige 1981 Subaru with California license plate 1 CPK 105 is also missing. Despite decades of investigation by the Boulder County Sheriff's Office, the circumstances of his disappearance remain unknown, and anyone with information about Jon or his vehicle is urged to contact authorities.
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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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evidence
Lead #4What investigative leads or evidence were developed by the Boulder County Sheriff's Office in the initial investigation?
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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 Sighting
Jon was last seen at a 7-11 convenience store near 28th Street and Baseline in Boulder, CO
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1981-07-24
Disappearance
Jon Truscott Haynes disappeared; his beige 1981 Subaru (CA Lic# 1 CPK 105) is also missing
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:July 24, 1981
Last Updated:September 29, 2026
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Phone: 3034413600
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Case Information
Incident:July 24, 1981
Last Updated:September 29, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 3034413600
You can remain anonymous