The Murder of Toni Tedder Cold Case Files Episode 5

The July 1990 murder of 18-year-old Toni Tedder remains one of the most haunting unsolved cold cases in Clarkston, Washington and one of the Pacific Northwest’s enduring murder mysteries. Toni had just graduated from Clarkston High School and was sleeping on her family’s living room couch when she was stabbed to death while family members slept nearby. Investigators say a wood-handled fishing fillet-style knife was left near Toni Tedder’s body, and questions surrounding the unsolved Clarkston murder investigation continue decades later. Was Toni Tedder the victim of a random attack or a targeted killing, and why has the case never been solved despite witness accounts and physical evidence? In this episode of Help Me Hayley: Cold Case, Hayley Guenthner speaks with Clarkston investigators and retraces the timeline of the 1990 Toni Tedder murder searching for clues that could finally help connect the community to justice. Watch the Help Me Hayley cold case podcast now on the NonStop Local KHQ YouTube channel.

You can listen to The Murder of Toni Tedder Cold Case Files Episode 5 online on Radio and Podcast. Open the player on this page to stream the available audio.

The Murder of Toni Tedder Cold Case Files Episode 5 is an episode from Q6 Cold Case by KHQ-TV.

This episode is 17:03 long.

This episode was published on May 11, 2026.

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