King County Metro to pay tribute to slain bus driver with citywide memorial, procession
Richard Sitzlack was charged on Dec. 23 with killing Yim. According to court documents, Yim and Sitzlack began arguing about a window on the bus on Dec. 18 before Yim asked Sitzlack to exit the bus. Surveillance video reportedly showed Sitzlack pepper spraying Yim in the face before exiting the bus.