Sonya Massey's Killer Sean Grayson Dead at 32 After Cancer Battle

A former Illinois sheriff's deputy who gained notoriety for killing a woman in 2024 died on Sunday after battling Stage 4 colon cancer, according to his lawyer.

Sonya Massey's Killer Sean Grayson Dead at 32 After Cancer Battle

TL;DR

  • Sean Grayson, 32, died Sunday after a battle with Stage 4 colon cancer.
  • Grayson was serving a 20-year sentence for the second-degree murder of Sonya Massey.
  • Massey's killing in 2024 led to nationwide protests, with activists calling it a racist act.
  • Grayson testified that he shot Massey after she picked up a pot of boiling water, fearing she would throw it at him.
  • Grayson was convicted in October 2025.