The person at the center of this case
Carolyn Sue Martin and Mark Steven Martin (age 2)
Violent Crime · Open
44 years waiting · since 1981
CAROLYN SUE MARTIN - HAZEL PARK, MICHIGAN
Justice for Carolyn Sue Martin and Mark Steven Martin (age 2) — 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 #1What vehicle were Carolyn and Mark traveling in, and has it ever been located or identified?
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witness
Lead #2Did anyone see the mother and child during their travels on Interstate 75 or at rest stops?
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timeline
Lead #3Exactly when on August 31, 1981, were they last confirmed seen, and by whom?
Carolyn Sue Martin and her 2-year-old son Mark Steven Martin disappeared on August 31, 1981, while traveling southbound on Interstate 75 from Madison Heights, Michigan, to San Antonio, Texas. The mother and child vanished during their journey and have never been located or heard from again. Despite decades of investigation, their whereabouts remain unknown, and authorities continue to seek information about what happened to them.
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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.
💡
clue
Lead #4Were there any reports of accidents, incidents, or unusual activity on I-75 around the time of their disappearance?
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evidence
Lead #5Has any physical evidence, personal belongings, or remains been discovered along their intended route?
Have information about any of these leads?
Even the smallest detail could be the key to solving this case.
Official wording
Source Narrative
(mother and son missing) Hazel Park, Michigan August 31, 1981 Carolyn and her 2-year-old son Mark Steven Martin were last seen on 08/31/1981, in Hazel Park, Michigan as they set out to move from Madison Heights, Michigan, to San Antonio, Texas. The Victims began their journey traveling southbound on Interstate 75 and have not been heard from or seen since.
Timeline of Events
👤
1981-08-31
Carolyn and Mark Martin disappear
Carolyn Sue Martin and her 2-year-old son Mark Steven Martin were last seen in Hazel Park, Michigan, as they began their journey southbound on Interstate 75 toward San Antonio, Texas.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:August 31, 1981
Last Updated:June 15, 2026
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Case Information
Incident:August 31, 1981
Last Updated:June 15, 2026