I'll Be Gone in the Dark is an American true crime documentary television series directed by Liz Garbus, Elizabeth Wolff, Myles Kane and Josh Koury, revolving around Michelle McNamara as she writes a book about and investigates the Golden State Killer. The original six-part series premiered on June 28, 2020, on HBO, and concluded on August 2, 2020. A special episode premiered on June 21, 2021.