The person at the center of this case
Marlane L Koue Castaneda
Missing Person · Open
14 years waiting · since 2012
Missing Person: Marlane L Koue Castaneda
Justice for Marlane L Koue Castaneda — the trail went cold in 2012, but the truth hasn't.
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Key leads to think about
👁️
witness
Lead #1Were there any witnesses who saw Marlane on October 1, 2012, in Carlsbad?
💡
clue
Lead #2What were the specific circumstances of her disappearance that day?
📞
contact
Lead #3Has anyone reported contact with Marlane since October 2012?
Marlane L Koue Castaneda, a 54-year-old woman, was last seen on October 1, 2012, in Carlsbad, San Diego, California. Over a decade later, her disappearance remains unsolved with limited public information about the circumstances surrounding her vanishing. Anyone with information about her whereabouts or the events of that day is urged to contact the Oceanside Police Department.
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Official wording
Source Narrative
NamUs case MP18159. Missing person: Marlane L Koue Castaneda.
Last known contact: 2012-10-01 in Carlsbad, San Diego, CA. Circumstances: Last seen on 10/01/2012 Demographics: 54 years, Female, White / Caucasian.
Physical description: 5 ft 3 in, 150 lbs, hair: Red/Auburn, eyes: Brown. Investigating agency: Oceanside Police Department | 12013655.
Timeline of Events
👁️
2012-10-01
Last Known Contact
Marlane L Koue Castaneda was last seen on October 1, 2012, in Carlsbad, San Diego, California.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:October 1, 2012
Last Updated:September 28, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 7604354846
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Case Information
Incident:October 1, 2012
Last Updated:September 28, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 7604354846
You can remain anonymous