The person at the center of this case
Mary Jo Lee Long
Missing Person · Open
44 years waiting · since 1981
Missing Person: Mary Jo Lee Long
Justice for Mary Jo Lee Long — the trail went cold in 1981, but the truth hasn't.
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Key leads to think about
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witness
Lead #1Were there any witnesses who saw Mary Jo on December 27, 1981, or in the days following her disappearance?
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clue
Lead #2What were the specific circumstances of her disappearance—was she reported missing immediately or after a delay?
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evidence
Lead #3Are there any physical evidence, photographs, or personal items from 1981 that could help identify her current location or what happened?
Mary Jo Lee Long, a 17-year-old girl, disappeared on December 27, 1981, in Gardena, Los Angeles, California. Despite decades passing, the circumstances surrounding her disappearance remain unclear and no confirmed resolution has been documented. The case remains open with the Austin Police Department, and information from anyone with knowledge of her whereabouts or what happened that day could be crucial to finally solving this long-standing mystery.
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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.
📞
contact
Lead #4Did Mary Jo have any planned meetings or appointments on the day she disappeared?
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 MP6307. Missing person: Mary Jo Lee Long.
Last known contact: 1981-12-27 in Gardena, Los Angeles, CA. Circumstances: Mary was last seen on December 27, 1981.
Demographics: 17 years, Female, White / Caucasian. Physical description: 5 ft 5 in, 115 lbs, hair: Brown, eyes: Brown.
Investigating agency: Austin Police Department | 88108903.
Timeline of Events
👁️
1981-12-27
Last Seen
Mary Jo Lee Long was last seen on December 27, 1981 in Gardena, Los Angeles, California.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:December 27, 1981
Last Updated:September 27, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 5074379400
You can remain anonymous
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Case Information
Incident:December 27, 1981
Last Updated:September 27, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 5074379400
You can remain anonymous