Black drivers face more than 30 percent of all traffic stops in Illinois, as of the last two years. That’s a rate that’s about double their population.

Police departments in Illinois have had to report racial and ethnic information about traffic stops for nearly two decades since a law passed by former State Sen. Barack Obama. But years later, inequities persist. We talked about it with a culture and diversity reporter, an attorney at the ACLU, and the president of the Mexican American Legal Defense and Education Fund.