Within less than 2 kilometers and just 17 days apart, the deaths of two Americans at the hands of U.S. federal law enforcement have once again shed the spotlight on persistent problems of violent policing in the United States. Occurring near the site where George Floyd was killed nearly six years ago, the latest incidents underscore how excessive law enforcement force -- entangled with racial discrimination, social inequality, widespread gun violence and systemic bias -- continues to weigh on U.S. society, while deepening partisan divisions further complicate efforts at reform.