In the summer of 2021, the body of 29-year-old Damien Cameron was delivered to the crime lab in Jackson, Mississippi. Cameron, a Black man, had died after a struggle with police. His face was swollen and bloodied, and there was bleeding in his neck. Witnesses described seeing two deputies kneeling on Cameron for more than 10 minutes. Yet Staci Turner, the state’s medical examiner, ruled Cameron’s manner of death to be “undetermined.” That decision effectively headed off any further investigation