When does The Red Line return?

The Red Line is an American drama limited television series created and written by Caitlin Parrish and Erica Weiss. It stars Noah Wyle, Emayatzy Corinealdi, Aliyah Royale, Noel Fisher, Michael Patrick Thornton, Vinny Chhibber, Howard Charles and Elizabeth Laidlaw. The title refers to a rapid transit line in Chicago, Illinois run by the Chicago Transit Authority. The storyline centers on a police officer of Caucasian descent who shoots and kills an African American doctor.
In "The Red Line," the storyline centers on a Chicago police officer of Caucasian descent who shoots and kills an African American doctor. The narrative explores the lives of three families intertwined with the case. The first family consists of the victim's husband and their adopted daughter.