The person at the center of this case
Michelle Lyn West
Missing Person · Open
34 years waiting · since 1991
Missing Person: Michelle Lyn West
Justice for Michelle Lyn West — the trail went cold in 1991, but the truth hasn't.
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Key leads to think about
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location
Lead #1Did Michelle ever reach her friend's house, or did she disappear somewhere along the walking route?
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witness
Lead #2Has anyone reported seeing Michelle on the day she disappeared or in the days following?
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clue
Lead #3What was the exact route Michelle planned to take from her apartment to her friend's house?
Michelle Lyn West, a 23-year-old mother, disappeared on July 9, 1991, while walking to a friend's house in Tucson, Arizona—it remains unclear whether she never reached the friend's residence or vanished en route. She has had no contact with her children or family in over three decades, and those close to her believe she would never have abandoned them voluntarily. Despite the passage of time, investigators continue to seek information about her whereabouts and the circumstances of her disappearance.
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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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person
Lead #4Why was the friend's house not checked immediately when Michelle failed to arrive?
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Official wording
Source Narrative
NamUs case MP156015. Missing person: Michelle Lyn West.
Last known contact: 1991-07-09 in Tucson, Pima, AZ. Circumstances: On 7/9/1991, Michelle West left the family apartment building in Tucson, AZ.
She planned on walking to a friend's house that lived in the area, and it's not clear if Michelle made it to the friend's house and they weren't home, or if she never made it to the house and disappeared somewhere along the way. Michelle has not been located and has had no contact with anyone including her children and immediate family since she left to visit her friend.
Family said she would never have left them of her children of her own free will. Demographics: 23 years, Female, Multiple.
Physical description: 5 ft 4 in, 130 lbs, hair: Brown, eyes: Brown. Clothing and accessories: Clothing: Believed to have been wearing jeans, a tie-dye shirt, and a red and possibly a red/black checkered sweatshirt..
Investigating agency: Tucson Police Department | 9107090938 | 1991-07-09.
Timeline of Events
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1991-07-09
Michelle West Disappears
Michelle Lyn West left her family apartment building in Tucson, AZ, to walk to a friend's house. It is unclear whether she reached the friend's residence or disappeared along the way.
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1991-07-09
Last Known Contact
Last known contact with Michelle West occurred on July 9, 1991, in Tucson, Pima County, Arizona.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:July 9, 1991
Last Updated:June 2, 2026
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Phone: 5207914444
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Case Information
Incident:July 9, 1991
Last Updated:June 2, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 5207914444
You can remain anonymous