OPINION: The murder of George Floyd by a police officer in Minneapolis in 2020 sparked global calls for racial justice and ignited a wave of police oversight reform across the US; but five years on, Hansel Alejandro Aguilar, public sociologist, former police officer, and Adjunct Professor at George Mason University, warns that civilian oversight of law enforcement in the US is now dying – but meaningful change can still emerge when residents organize, officials listen, and structures are preserved.