Former Illinois sheriff’s deputy Sean Grayson was sentenced to 20 years in prison for the second-degree murder of Sonya Massey, a 36-year-old mother who called 911 about wandering outside her home. The incident occurred in July 2024, and Grayson acknowledged his wrongdoing, apologizing for his “terrible decision” and admitting he mistreated Massey. His statements contrasted sharply with earlier claims that she posed a threat.
Illinois Seventh Circuit Judge Ryan Cadigan imposed the maximum penalty, emphasizing the need to address “irrational anger.” Grayson’s defense filed for a new trial, but it was rejected. Massey’s children, Summer and Malachi, expressed their pain in court; Summer noted that while grateful for the maximum sentence, it felt insufficient. The family and supporters gathered in the courtroom, with protests outside the courthouse chanting “Say her name, Sonya Massey.”
Grayson had faced lesser charges due to jury instructions, which allowed for a second-degree murder conviction. His sentence, originally between four to 20 years, may be reduced due to good behavior, whereas a first-degree murder conviction could have resulted in a life sentence.
Grayson’s defense brought attention to his deteriorating health from stage 4 colon and rectal cancer, arguing for leniency. However, state prosecutor John Millhiser advocated for the maximum sentence to deter similar crimes. This case contributed to the passage of the Sonya Massey Act in Illinois, mandating stricter police hiring vetting. Massey’s father had criticized Grayson for initially exhibiting no remorse during the trial.
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