The Koreatown Killer is partly inspired by a three-year string of violent crimes along a stretch of Western Avenue from Hollywood to South Los Angeles. The real-life matter involved a man that detectives dubbed the 'Western Bandit,' who would approach potential victims on a bicycle and either demand cash or shoot them.
The Du-par's Restaurant & Bakery location in the Farmers Market also serves as the backdrop to a scene with Bosch and Maddie in the Season One finale ("Us and Them").
Amy Aquino (Lieutenant Grace Billets) studied pre-med at Harvard University and later enrolled at Yale University School of Drama.
Director Tim Hunter has directed episodes of such classic television shows as "Twin Peaks," "Deadwood," "Mad Men," and "Breaking Bad."
Several cast members were on the television show "The Wire." A show that "Bosch" Showrunner Eric Overmeyer wrote on. The Executive Producers on "Bosch" are big fans of "The Wire."