UPDATE: After a call with Walla Walla Police, who processed the scene, Phillips who was 45-years-old, was found dead in his cell and it is not believed that foul play is a factor in the death.

WALLA WALLA, Wash. – Joshua Phillips, who was convicted of killing his ex-girlfriend and stabbing her then-5-year-old daughter in 202 1, was found dead in his cell at the Washington State Penitentiary, according to the Washington State Department of Corrections.

A department spokesperson said Phillips was found dead in his cell late Aug. 3. The death remains under investigation, and an autopsy is pending. However, the department said no foul play is suspected.

Phillips was sentenced on Feb. 3, 2023, to 36 years in prison for the murder of Kassie Dewey and the attempted murder of her daughter, wh

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