The person at the center of this case
Carolyn Sue Martin and Mark Steven Martin (age 2)
Violent Crime · Open
45 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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timeline
Lead #1What was the exact time of departure and were there any stops or sightings reported along I-75?
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vehicle
Lead #2What vehicle were they traveling in and was it ever located?
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witness
Lead #3Did anyone report seeing a woman and young child matching their description along the I-75 corridor?
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 were never found, and the circumstances of their disappearance remain unknown after more than four decades. Anyone with information about their whereabouts or what happened during their journey is urged to contact the FBI.
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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 #4Why did the family decide to relocate to San Antonio and did anyone know their intended route or destination details?
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 last seen in Hazel Park, Michigan as they departed to relocate 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:September 26, 2026
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Case Information
Incident:August 31, 1981
Last Updated:September 26, 2026