Apparently, simply because a higher percentage of black people in King County Washington had these ERPOs (extreme risk protection orders) than did whites and hispanics

Study: Red flag laws are racist

This issue of Injury Epidemiology features a new research report on the implementation of extreme risk protection orders (ERPOs) in King County, Washington, which includes the city of Seattle (Frattaroli et al. 2020). An easily overlooked finding in this small study now stands out in bold relief: black people were overrepresented in gun removal orders by a factor of nearly 2 to 1 compared to their share of the county population (12.0% vs. 6.9%).