The person at the center of this case
Frankie Lyvonne Duvall
Missing Person · Open
40 years waiting · since 1986
Missing Person: Frankie Lyvonne Duvall
Justice for Frankie Lyvonne Duvall — the trail went cold in 1986, but the truth hasn't.
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Key leads to think about
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location
Lead #1Why did Frankie leave work to walk home during her shift? Was this a regular routine?
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witness
Lead #2Were there any witnesses who saw Frankie walking between the café and her home on May 10, 1986?
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timeline
Lead #3What was the exact time Frankie left the café and when was she discovered missing?
Frankie Lyvonne Duvall, a 39-year-old woman, disappeared on May 10, 1986, in Loco, Oklahoma after leaving her job at the Loco Café to walk home for dinner supplies. She never arrived at her residence, and her whereabouts remain unknown after nearly four decades. The case remains unsolved and any information about her disappearance could be crucial to finally bringing closure to her family.
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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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clue
Lead #4Has any physical evidence or remains ever been found in the Loco area related to this case?
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 MP38643. Missing person: Frankie Lyvonne Duvall.
Last known contact: 1986-05-10 in Loco, Stephens, OK. Circumstances: Frankie was last seen by her husband at their home.
Witnesses report she had left work at the Loco Café, to take a break and walk home for diner supplies, but never returned. Demographics: 39 years, Female, White / Caucasian.
Physical description: 5 ft 8 in, 175 lbs, hair: Brown, eyes: Blue. Investigating agency: Stephens County Sheriff's Office | 17-0400.
Timeline of Events
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1986-05-10
Last seen by husband
Frankie was last seen by her husband at their home in Loco after leaving work at the Loco Café to walk home for dinner supplies
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1986-05-10
Disappearance
Frankie Lyvonne Duvall disappeared while walking from the Loco Café to her home and never returned
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:May 10, 1986
Last Updated:September 26, 2026
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Phone: 5802553131
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Case Information
Incident:May 10, 1986
Last Updated:September 26, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 5802553131
You can remain anonymous