What event caused a public outrage in the us?

One significant event that caused public outrage in the U.S. was the killing of George Floyd by a police officer in Minneapolis in May 2020. The incident was captured on video and showed Floyd pleading for his life, which sparked nationwide protests against police brutality and systemic racism. The public outcry led to widespread demonstrations, calls for police reform, and a renewed focus on social justice issues. The Black Lives Matter movement gained significant momentum as a result of this tragedy.