MUS-2026-0123
Archive card
MUS-2026-0123
Homicide
- Incident
- 1990
- Indexed
- Oct 6, 2026, by MuseUnsolved
- Agency
- Clarkston Police Department
- Location
- Clarkston WA
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.
On July 28, 1990, 18-year-old Toni Tedder was stabbed to death while sleeping on her family’s living room couch in Clarkston, Washington, with three sisters inside the home. Investigators recovered the wood-handled filleting knife used in the killing, but it had been wiped clean of DNA. A June 2026 KHQ cold case episode revisited the case with Clarkston investigators; it remained unresolved with no arrests in 36 years.
Timeline
What the record establishes.
- July 28, 1990
Toni Tedder, 18, was killed by a knife thrust to the chest while sleeping on her family's living room couch in Clarkston; three sisters were inside the home
- 1990
Investigators recovered the wood-handled filleting knife used in the killing, but it had been wiped clean of DNA
- May 2026
A regional retrospective marked 36 years with no arrests and no leads developed
- June 2026
KHQ's 'Help Me Hayley: Cold Case' episode 5 revisited the case, interviewing Clarkston investigators; it remained unresolved
Key people
The people in the file.
18, of Clarkston, Washington. Stabbed to death while sleeping on her family’s living room couch on July 28, 1990.
Contact details change over time; confirm the current assignee before publishing.
Investigating agency
Where tips go.
This case is with the Clarkston Police Department. 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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