There is a 54 page report referenced in the narrative with a link. Unfortunately there is a paywall but it does all a few free views.
A new report from the Los Angeles-based Center for Police Equity found that Black people, per capita, were seven times more likely to be subjected to force by Seattle police…
— Read on www.seattletimes.com/seattle-news/crime/report-black-people-and-native-americans-get-stopped-by-seattle-police-at-a-far-higher-rate-than-white-people/