While the murder conviction of former Minneapolis police officer Derek Chauvin, who killed George Floyd last May, demonstrated accountability in one case that was a cause for celebration among activists last week — the troubling series of police shootings just in the days that followed has underscored how one verdict will not produce the kind of transformational societal and cultural change that is needed to stop the disproportionate killings and injuries of Black and Brown people during encounters with police.
Newly released 911 audio on Friday showed that 32-year-old Isaiah Brown, who is…