Deputy who killed Sonya Massey joined Sangamon County Sheriff after past employers questioned his integrity and conduct
Sean Grayson, the former sheriff’s deputy facing murder charges for killing Sonya Massey in Sangamon County, Illinois, left a previous agency after complaints were filed against him for claims of inappropriate conduct with a female detainee and retaliation against her boyfriend after she filed a complaint. Invisible Institute, Illinois Public Media and the Investigative Reporting