Closure After 45 Years: Modern DNA Solves 1980 Cold Case Murder in Pierce County

A cold case that haunted Pierce County for over four decades has finally been resolved, bringing long-awaited answers to the family of a young woman murdered in 1980.

The Pierce County Sheriff’s Department announced that detectives have positively identified the killer of 18-year-old Dorothy “Dottie” Silzel. Silzel was found dead in her Kent apartment in February 1980; she had been strangled and sexually assaulted. Despite an extensive investigation at the time, the case went cold as leads dried up and technology remained limited.

The breakthrough came through the use of forensic genetic genealogy—the same revolutionary technique used to capture the Golden State Killer. Detectives worked with private labs to build a DNA profile from evidence preserved since the original crime scene. This profile eventually led investigators to Kenneth Kundert, a 65-year-old man currently residing in Arkansas.

Records indicate that Kundert lived in the Puget Sound area at the time of Silzel’s death. After surveillance teams surreptitiously obtained a fresh DNA sample from a discarded item, the Washington State Patrol Crime Lab confirmed a 100% match to the evidence found in Silzel’s apartment.

Kundert was taken into custody in Arkansas and is now facing charges of first-degree murder. Authorities noted that while decades have passed, the commitment to seeking justice for Silzel never wavered, highlighting the power of modern science to provide accountability for even the oldest “unsolvable” crimes.


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