Former Officer Sean Grayson Died in Prison: Inside His Cancer Battle

Sean Grayson, the former Illinois sheriff’s deputy convicted of murdering Sonya Massey inside her own home, has died in custody just six months into a 20-year prison sentence at the age of 32. His attorney confirmed the death on August 23, 2026, reigniting attention on a case that prompted a new Illinois law and drew national scrutiny of police department hiring practices. Grayson’s death from cancer arrives less than a year after his conviction and closes one chapter of a story that shattered a family and led to statewide policy change. Here is what to know about his cancer battle, the shooti...

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