The American Criminal Justice System as a Manifestation of "Racial Democracy"?

Jason Stanley and Vesla Weaver at the New York Times have a devastating empirical analysis of the color-discriminatory criminal justice system in America in their article titled Is the United States a 'Racial Democracy'?.

They write there, inter alia:

"Just from 1980 to 2006, the black rate of incarceration (jail and prison) increased four times as much as the increase in the white rate. The increase in black prison admissions from 1960 to 1997 is 517 percent. In 1968, 15 percent of black adult males had been convicted of a felony and 7 percent had been to prison; by 2004, the numbers had risen to 33 percent and 17 percent, respectively....

Evidence suggests that minorities experience contact with the police at rates that far outstrip their share of crime....

the evidence shows that black incarceration is out of step with black offending."

Our question here is:

What correlation can be drawn between the above statistics
and the increasing inequality of income and wealth in America
during the same period of time?

Is it possible that nearly everyone knows the answer to that question without even having to look at the mathematics of money earnings in the USA?