He shows that thanks to a mixture of incompetence and outright racism, people of color are much more likely to not make it into the pool of potential jurors and even if they do get there, are less likely to be actually allowed to serve as jurors. Prosecutors especially find ingenious ways to circumvent the prohibition that people cannot be excluded on the basis of race by finding other reasons, even though studies suggest that diverse juries are more thorough, thoughtful, and arrive at more just verdicts.