The high rates of arrest, conviction, and imprisonment of black people, are part of systemic racism.
Race and Ethnicity of Violent Crime Offenders and Arrestees, 2018 compares race of offenders from Uniform Crime Reports and victim reports from NCVS to see if police charge blacks disproportionately to their involvement in violent crimes. The answer is that Hispanics seem to be disproportionately arrested but white and black offenders are charged at rates comparable to victim reporting. Table 3.
Source: Clayton Cramer