MUS-2026-301
Archive card
MUS-2026-301
Homicide
- Incident
- 1997
- Indexed
- Oct 17, 2026, by MuseUnsolved
- Agency
- Bonneville County Sheriff's Office
- Location
- Ucon ID
Public record. Index entry.
Index entry. Case details compiled from public reporting; our researchers have not verified this file yet.
Summary
What happened, as the record shows.
Tonya Teske, 18, of Shoshoni, Wyoming, was last seen in Montana at a truck stop on August 13, 1997, and was last heard from that day. Her body was found two days later on a Highway 20 onramp near Ucon, Idaho, about 260 miles west of Shoshoni. Authorities interviewed multiple suspects but never made an arrest leading to a conviction. A denim jacket believed to belong to Teske became part of the investigation in 1999.
Timeline
What the record establishes.
- August 13, 1997
Teske was last seen in Montana at a truck stop, and was last heard from that day.
- August 15, 1997
Her body was discovered near Ucon, Idaho, on a Highway 20 onramp, about 260 miles west of Shoshoni.
- 1999
A denim jacket believed to belong to Teske became part of the investigation.
Key people
The people in the file.
18, of Shoshoni, Wyoming. Last seen at a Montana truck stop on August 13, 1997. Her body was found two days later near Ucon, Idaho.
Cousin of Tonya Teske.
Contact details change over time; confirm the current assignee before publishing.
Investigating agency
Where tips go.
This case is with the Bonneville County Sheriff's Office. If you know something, say something to them. For public-record leads for our researchers, use the tip line on any open file.
Coverage
Coverage and further reading.
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