The person at the center of this case
David Douglas Boone
Missing Person · Open
19 years waiting · since 2006
Missing Person: David Douglas Boone
Justice for David Douglas Boone — the trail went cold in 2006, but the truth hasn't.
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Key leads to think about
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location
Lead #1Why did the bloodhound scent trail lead specifically to Whiting Ranch Wilderness Park? Did Boone regularly hike there?
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evidence
Lead #2What was Boone's physical condition and hiking experience? Could he have survived in the cold winter weather if injured?
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clue
Lead #3Were there any personal items, clothing, or equipment found in or near the park during the extensive search?
David Douglas Boone, a 56-year-old man, disappeared on December 5, 2006, from his residence in Lake Forest, California, and has never been heard from since. Bloodhounds tracked his scent from his apartment to nearby Whiting Ranch Wilderness Park, suggesting he may have gone hiking that day, but an extensive week-long search involving air support, horses, and rescue personnel found no trace of him. Investigators believe that if Boone became lost or injured in the park during cold winter weather, he would not have survived long, making his fate a persistent 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.
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witness
Lead #4Did any park visitors or hikers report seeing a man matching Boone's description on December 5, 2006?
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timeline
Lead #5What was Boone's routine and state of mind in the days before his disappearance? Were there any unusual circumstances?
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Even the smallest detail could be the key to solving this case.
Official wording
Source Narrative
NamUs case MP306. Missing person: David Douglas Boone.
Last known contact: 2006-12-05 in Lake Forest, Orange, CA. Circumstances: Boone was last seen at approximately 2:00 p.m.
on December 5, 2006 at his residence in the vicinity of Town Center Drive in Lake Forest, California. He has never been heard from again.
His family reported him missing early the next morning when he did not come home. Bloodhounds subsequently tracked Boone's scent from his apartment to the Whiting Ranch Wilderness Park nearby.
The park is a popular place for hiking and bike riding. Authorities believe Boone may have gone hiking at the park on the day of his disappearance.
An extensive week long search of the park was conducted utilizing air support, horses, bloodhounds, off road vehicles, as well as, several Search and Resue personnel yielding negative results. Investigators believe that if Boone did in fact get lost or injured while hiking, he could not have survived long in the cold winter weather.
Demographics: 56 years, Male, White / Caucasian. Physical description: 6 ft 3 in, 220 lbs, hair: Gray or Partially Gray, eyes: Blue.
Investigating agency: Orange County Sheriff's Department | 06-235798.
Timeline of Events
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2006-12-05
14:00Last Sighting
David Douglas Boone was last seen at approximately 2:00 p.m. at his residence in the vicinity of Town Center Drive in Lake Forest, California.
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2006-12-06
Reported Missing
Family reported Boone missing early the next morning when he did not come home.
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2006-12-05
Bloodhound Tracking
Bloodhounds tracked Boone's scent from his apartment to Whiting Ranch Wilderness Park, suggesting he may have gone hiking that day.
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2006-12-06
Extensive Search
Week-long search of Whiting Ranch Wilderness Park conducted utilizing air support, horses, bloodhounds, off-road vehicles, and Search and Rescue personnel with negative results.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:December 5, 2006 at 2:00 PM
Last Updated:September 15, 2026
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Phone: 7146477000
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Case Information
Incident:December 5, 2006 at 2:00 PM
Last Updated:September 15, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 7146477000
You can remain anonymous