Deaths in Custody
Died in prison

Jason Shawn Cannon

35 years old · died 2009 · Pleasant Valley State Prison, California

Jason Shawn Cannon, 35, died in 2009 while held at Pleasant Valley State Prison in California. Prosecutors say his cellmate killed him, and in 2024 a Fresno County jury heard evidence that investigators say a prison-made weapon was hidden in the cellmate's mattress. The defendant has pleaded not guilty and denies the killing.

Cause of death, as reported: Killed by another person in custody. Prosecutors say his cellmate killed him, and a 2024 Fresno County trial over a prison-made weapon was underway, with the defendant pleading not guilty and denying the killing.

Reported by: prosecutors; Fresno County jury (court).

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