The person at the center of this case
Adam Christopher Kellner
Missing Person · Open
18 years waiting · since 2007
Missing Person: Adam Christopher Kellner
Justice for Adam Christopher Kellner — the trail went cold in 2007, but the truth hasn't.
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Key leads to think about
🔍
evidence
Lead #1Why did Adam leave without taking his clothes, ID, or arranging transportation if he voluntarily left?
💡
clue
Lead #2What was the nature of his medical condition and could it have affected his judgment or behavior on November 8, 2007?
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witness
Lead #3Did anyone see Adam leaving the residence or in the surrounding Stevenson Ranch area on or after November 8, 2007?
Adam Christopher Kellner, a 34-year-old white male, disappeared from his mother's home in Stevenson Ranch, Los Angeles County on November 8, 2007, leaving behind his clothes, ID, and having no transportation available. Despite being medically stable for many years, the circumstances of his disappearance remain unclear and no confirmed sightings have been reported since that date. The Los Angeles County Sheriff's Department continues to seek information that could explain what happened to Adam and help bring closure to his family.
Case
#3819
Los Angeles County Sheriff's Department-Monterey Park - Homicide Bureau
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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.
📍
location
Lead #4Has the area surrounding his mother's home been thoroughly searched, including nearby hiking trails, ravines, or bodies of water?
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Even the smallest detail could be the key to solving this case.
Official wording
Source Narrative
NamUs case MP4748. Missing person: Adam Christopher Kellner.
Last known contact: 2007-11-08 in Stevenson Ranch, Los Angeles, CA. Circumstances: Adam Kellner, was last seen at his mother's home in Stevenson Ranch, CA (Los Angeles County) on November 8, 2007.
He did not take clothes, ID, and he had no transportation. Adam suffered from a medical condition but had been stable for many years.
Demographics: 34 years, Male, White / Caucasian. Physical description: 5 ft 7 in, 160 lbs, hair: Brown, eyes: Brown.
Investigating agency: Los Angeles County Sheriff's Department-Monterey Park - Homicide Bureau | 077-20787-0661-400 | 2007-11-08.
Timeline of Events
👁️
2007-11-08
Last Known Contact
Adam Christopher Kellner was last seen at his mother's home in Stevenson Ranch, CA. He did not take clothes, ID, or have transportation available.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:November 8, 2007
Last Updated:September 1, 2026
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Phone: 3238905500
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Case Information
Incident:November 8, 2007
Last Updated:September 1, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 3238905500
You can remain anonymous