Sean Grayson, the former Sangamon County Sheriff’s Deputy convicted in the 2024 killing of Sonya Massey, has died while serving a 20-year prison sentence, his attorney confirmed. The case drew national attention and sparked protests over police use of force .
Key developments:
Sonya Massey was a 36-year-old Black woman who lived in Woodside Township, near Springfield, Illinois . She was described by family members as a mother who had struggled with mental health challenges . Her 17-year-old son and 15-year-old daughter survive her .
On July 6, 2024, Massey called 911 to report a possible prowler outside her home, a decision that ultimately led to her death .
Sean Grayson was a former Sangamon County Sheriff’s Deputy, aged 32 at the time of his death . He had worked with several law enforcement agencies before being hired by the Sangamon County Sheriff’s Office .
Grayson was fired from the Sheriff’s Office following the July 2024 incident . He was white .
In the early morning hours of July 6, 2024, Grayson and another deputy, Dawson Farley, responded to Massey’s 911 call about a possible prowler .
According to court testimony and body camera footage:
Grayson’s body camera was not activated for most of the call, only turning on shortly after he drew his weapon . However, body camera footage from his partner, Dawson Farley, captured the shooting .
Farley testified during the trial that he was not afraid of Massey and did not perceive her behavior as threatening. He added that he only unholstered his weapon because Grayson did .
Grayson’s body camera footage captured him saying: “You’d better fing not. I swear to God, I’ll fing shoot you right in your f***ing face” .
Prosecutors noted that Grayson declined to offer medical care after the shooting. First Assistant State’s Attorney Mary Beth Rodgers said in court: “‘I’m sorry.’ That is the last thing Sonya Massey said before the defendant murdered her, just like he said he would” .
Grayson was initially charged with three counts of first-degree murder, aggravated battery with a firearm, and official misconduct .
In October 2025, a Peoria County jury convicted Grayson of second-degree murder, a lesser charge than the first-degree murder he faced .
Under Illinois law, a second-degree murder conviction can apply when a defendant honestly believes they are in danger, even if that belief is unreasonable .
In January 2026, Grayson was sentenced to the maximum 20 years in prison, followed by two years of mandatory supervised release . The decision to seek the maximum sentence was a point of contention. Prosecutors sought a 20-year sentence, while the defense requested a reduced sentence of 8 to 10 years due to his cancer diagnosis .
Massey’s family expressed anger over the verdict, with her cousin Sontae Massey saying, “The justice system did exactly what it’s designed to do today. It’s not meant for us” .
Sean Grayson died on Sunday, August 23, 2026, at approximately noon . His attorney, Daniel L. Fultz, confirmed the death .
Grayson was serving his 20-year sentence in the Illinois Department of Corrections . He had served approximately six months of his sentence .
Grayson had been diagnosed with Stage 3 colon cancer in 2023, which later progressed to Stage 4 and spread to his liver, lungs, and rectum .
In May 2026, only months into his sentence, Grayson filed a request for medical release under an Illinois law for prisoners with terminal illnesses or serious medical conditions .
The Illinois Prisoner Review Board voted 3-0 to deny his medical release in July 2026 . The Sangamon County State’s Attorney’s office opposed his release, arguing that Grayson was diagnosed with Stage 4 cancer before the shooting and that his temper could pose a risk to the public .
Sontae Massey, Sonya Massey’s cousin, said after the denial: “We’ll take these small victories, but we know we’ve got an uphill battle ahead of us because he can turn around and he can apply again and again and again” .
The cause of Grayson’s death has not been officially confirmed by the Illinois Department of Corrections .
Confirmed facts:
Not confirmed:
Ben Crump and Antonio Romanucci, attorneys for Massey’s family, responded to Grayson’s death in a statement: “Sonya Massey’s death was unjustifiable, and she should be alive today. Sean Grayson’s death in custody from cancer does not bring Sonya back. We wish his family prayers of peace, as we do for all who grieve a loved one. Sonya’s family knows that pain all too well and will grieve her loss the rest of their days” .
Massey’s family was not seeking Grayson’s release. Massey’s mother, Donna Massey, previously said: “Three shots is intent to kill. One shot, maybe he could get away with, but three shots is intent to kill, and he does not deserve to be running around here” .
The release of body camera footage from the shooting sparked protests in Illinois and elsewhere, including Chicago, New York City, and Atlanta . The case raised national questions about police use of force, particularly against Black women, and how officers move between law enforcement agencies .
The Sonya Massey Act: Illinois Governor JB Pritzker signed into law the Sonya Massey Act, requiring law enforcement agencies to more closely review an applicant’s previous employment records before hiring an officer. The Act went into effect at the beginning of 2026 .
Federal Investigation: The Justice Department opened a civil rights investigation after Massey’s death and later reached an agreement with Sangamon County, its sheriff’s office, and other agencies requiring changes to policing and emergency response . These changes included additional training for interactions with people with behavioral health disabilities and the development of a mobile crisis response program .
Sangamon County officials agreed in early 2025 to pay a $10 million settlement to Massey’s family .
Sonya Massey was a 36-year-old Black woman from Springfield, Illinois, who was fatally shot by former Deputy Sean Grayson in her home in July 2024 after she called 911 to report a possible prowler .
Sean Grayson was a former Sangamon County Sheriff’s Deputy who was convicted of second-degree murder in Massey’s death. He was 32 years old and died in prison while serving a 20-year sentence .
Massey was shot and killed by Grayson in her home on July 6, 2024, after calling 911 to report a possible prowler. Body camera footage showed Grayson threatening to shoot her before firing three times as she ducked for cover .
During a 911 response, Grayson and another deputy responded to Massey’s home. Grayson asked her to remove a pot of boiling water from her stove, and she said, “I rebuke you in the name of Jesus.” Grayson testified he took this as a threat. He threatened to shoot her and fired three times when she ducked for cover .
Grayson was convicted of second-degree murder in October 2025. He was initially charged with first-degree murder .
Grayson was sentenced to 20 years in prison, the maximum sentence for second-degree murder, followed by two years of mandatory supervised release .
Grayson died on August 23, 2026, while serving his prison sentence. He had been battling Stage 4 colon cancer and was denied medical release in July 2026 .
The cause of death has not been officially confirmed. Grayson had Stage 4 colon cancer and was undergoing treatment, but it remains unclear whether this was the cause of his death .
Sean Grayson, the former Illinois deputy convicted of second-degree murder in the 2024 killing of Sonya Massey, died on August 23, 2026, after approximately six months of a 20-year prison sentence. He had been diagnosed with Stage 4 colon cancer and was denied medical release in July 2026. The cause of death has not been officially confirmed. The case, which drew national attention and led to police reform legislation, continues to be a significant chapter in American discussions on law enforcement accountability and use of force.
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