Missing Person · Unknown
42 years waiting · since 1983
Missing Person: Karen Lee Valdez-Blackburn
Justice is overdue — the trail went cold in 1983, but the truth hasn't.
NamUs case MP38394. Missing person: Karen Lee Valdez-Blackburn. Last known contact: 1983-11-21 in Cheyenne, Laramie, WY. Circumstances: On Nov. 20, 1983 Karen was last seen at her residence in Cheyenne, WY. Karen may have been headed to Denver to visit a friend but never made it. Demographics: 26 years, Female, White / Caucasian. Physical description: 5 ft 1 in, 115 lbs, hair: Brown, eyes: Blue. Investigating agency: Air Force Office of Special Investigations | 33298151621616.
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Case Information
Incident:November 21, 1983
Last Updated:June 25, 2026
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Phone: 8772461453
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Case Information
Incident:November 21, 1983
Last Updated:June 25, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 8772461453
You can remain anonymous