Read this through all the way if you want answers
It comes from here
What they find is that black people are 3x more likely to be killed by police than white people while 1.3x less likely to be armed.
Location matters, not crime rates
There is a strong correlation between segregation and police killings
Racial residential segregation is a significant predictor of the magnitude of the Black-White disparity in fatal police shootings at the city level. Efforts to ameliorate the problem of fatal police violence must move beyond the individual level and consider the interaction between law enforcement officers and the neighborhoods that they police.
This is further explored in the study I linked above.
Terrill and Reisig also cited a study by Reiss and Bordua, which explained the ‘dirtbag-syndrome.’ This syndrome explained the behavior of police officers to place people into two categories. The first category included those viewed as deserving of punishment and the second category consisted of those undeserving of punishment. The people viewed as deserving to be punished are often called “dirtbags” by police officers (Reisig and Terrill, 2003:18). This study represents how when police officers enter neighborhoods that appear to be dangerous, they can already have a bias that some are deserving of police abuse, due to the area they reside. This presents a significant problem in how police officers perceive those who live in poor or dangerous neighborhoods. Often minorities are living in these poor areas, but not by choice.
It's not about crime rates, it's about perception, expectations, fear, stereotypes, racism.
African Americans across the nation can be subject to prejudice treatment by law enforcement officials. Negative stereotypes of African Americans have persisted for hundreds of years, which have affected the mass number of African Americans who have lost their lives due to police abuse. Policy implications are necessary for African Americans to be treated fairly as a citizen on the United States, rather than being viewed as a threat. Law enforcement officers must be held accountable for their actions and preventative measures must be taken to decrease the amount of police violence against African Americans.