Everything about Derek Chauvin’s case — from his long list of previous conduct complaints to the 44-year-old police officer’s brutal calm as he pressed his knee to George Floyd’s neck for more than eight minutes until he died— spoke to the decades of failure to address the systemic problems plaguing his employer, the Minneapolis Police Department. Floyd’s death under the knee of the white MPD officer on May 25 has reignited furor over the persistence of police brutality against people of color in the United States.