The number of people charged in criminal cases has declined steadily in Cook County over the last two decades. But a closer look at the trend reveals stark racial disparities that have only worsened over time.More than 3 million criminal cases were filed in Cook County between 2000 and 2018. More than 60% of those were filed against Black people, according to an analysis of Cook County court data by The Circuit, even though Black people only make up about a quarter of the county’s population.People of color have …