The person at the center of this case
Carolyn Sue Martin and Mark Steven Martin (age 2)
Violent Crime · Unsolved
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?
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witness
Lead #2Were there any sightings of the mother and child at rest stops or gas stations along Interstate 75?
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timeline
Lead #3Why did they choose to relocate to San Antonio, and did they have contacts or family there?
Carolyn Sue Martin and her 2-year-old son Mark Steven Martin disappeared on August 31, 1981, while traveling southbound on Interstate 75 from Michigan to Texas. The mother and child vanished during their relocation journey and have never been located or heard from since. Their disappearance remains unsolved, and investigators seek information about their fate and any sightings along their intended route.
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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, breakdowns, or incidents involving their vehicle on I-75?
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 last seen
Mother and 2-year-old son last seen in Hazel Park, Michigan as they began their journey to San Antonio, Texas, traveling southbound on Interstate 75
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:August 31, 1981
Last Updated:April 29, 2026
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Case Information
Incident:August 31, 1981
Last Updated:April 29, 2026