Sean Grayson's Cause of Death Revealed After He Fatally Shot Sonya Massey

Former Illinois sheriff’s deputy Sean Grayson has died in prison less than one year after he was convicted in the 2024 fatal shooting of Sonya Massey. Grayson’s attorney, Daniel Fultz, confirmed that Grayson died at the age of 32 around 12 p.m. on August 23, 2026, following a health battle, according to NBC News. Us breaks down everything to know about Grayson’s cause of death, health battle and the fatal shooting of Massey that landed him behind bars. What Was Sean Grayson’s Cause of Death? Grayson died following a battle with colon cancer. He was diagnosed with stage III...

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