The person at the center of this case
Marc James Allen
Missing Person · Open
40 years waiting · since 1986
Missing Person: Marc James Allen
Justice for Marc James Allen — the trail went cold in 1986, but the truth hasn't.
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Key leads to think about
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location
Lead #1What route was Marc taking from his home to his friend's house, and were there any known hazards or suspicious activity along that path?
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witness
Lead #2Did anyone see Marc walking or in a vehicle on March 29, 1986, between his home and his friend's residence?
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evidence
Lead #3Were any of Marc's belongings or clothing ever recovered in the Des Moines area?
Marc James Allen, a 13-year-old boy, disappeared on March 29, 1986, while traveling from his home in Des Moines, Iowa to a friend's house—a journey he never completed. Despite decades of investigation by the Des Moines Police Department, his whereabouts remain unknown and the circumstances of his disappearance unresolved. Anyone with information about Marc's disappearance is urged to contact the Des Moines Police Department, as this case remains open and unsolved.
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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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contact
Lead #4Has the friend Marc was visiting been fully interviewed about what time he expected Marc to arrive and whether Marc had any reason to deviate from his planned route?
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 MP5790. Missing person: Marc James Allen.
Last known contact: 1986-03-29 in Des Moines, Polk, IA. Circumstances: Marc was last seen leaving his home is Des Moines, Iowa, on March 29, 1986.
He was on his way to a friend's home, but never arrived. The last time he was seen, Marc was wearing a light blue t-shirt, blue jean shorts, white socks, and gray tennis shoes.
Demographics: 13 years, Male, White / Caucasian. Physical description: 5 ft 0 in, 85 lbs, hair: Brown, eyes: Blue.
Clothing and accessories: Clothing: Marc was last seen wearing a blue t-shirt and blue jean shorts.; Footwear: He was wearing white socks and gray tennis shoes with velcro tabs.. Investigating agency: Des Moines Police Department | 8612999.
Timeline of Events
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1986-03-29
Marc James Allen Disappears
13-year-old Marc James Allen left his home in Des Moines, Iowa, on his way to a friend's home but never arrived. He was wearing a light blue t-shirt, blue jean shorts, white socks, and gray tennis shoes with velcro tabs.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:March 29, 1986
Last Updated:July 1, 2026
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Any information, no matter how small, could be crucial to solving this case.
Phone: 5152834864
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Case Information
Incident:March 29, 1986
Last Updated:July 1, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 5152834864
You can remain anonymous