Sean Grayson, Ex-Deputy Convicted in Sonya Massey Killing, Dies in Prison at 32

Sean Grayson, the former Sangamon County Sheriff's deputy convicted of second-degree murder in the 2024 shooting death of Sonya Massey, died in an Illinois prison on August 23, 2026, while serving a 20-year sentence. His attorney, Daniel Fultz, confirmed the death but provided no further details on the cause.[1][2]

Grayson, 32, had been diagnosed with colon cancer prior to the July 6, 2024, incident in which he fatally shot the 36-year-old Black mother of two in her Springfield-area home after she called 911 to report a possible prowler. Body camera footage captured Massey crouching and apologizing moments before being shot in the face. He was convicted in October 2025 and sentenced to the maximum term in January 2026.[3]

Grayson had sought early medical release under Illinois' Joe Coleman Act in May 2026, citing advanced stage 4 colon cancer that had spread to his liver and lungs, but the Illinois Prisoner Review Board denied the request in July. His death came less than a year into his sentence.[4]

The Massey family expressed mixed reactions; a spokeswoman noted relief and a sense that "justice has been delivered," while family attorneys stated that Grayson's death "does not bring Sonya back" and emphasized the original shooting was unjustifiable. The case had sparked national protests over police use of force and a DOJ review.[5]

This outcome underscores systemic issues in correctional healthcare access for terminally ill inmates and the lasting human toll of police violence cases, where accountability measures intersect with individual mortality.