I'll Be Gone in the Dark (2020)
- HD 1080
- Runtime: 60m.
- Status: Ended
- 1
- Languages: en
- Country: United States of America
- Stars: Amy Ryan
- keywords: california, 1970s, amateur detective, overdose, murder, serial killer, rape and murder, true crime, rapist, prescription drug abuse, sacramento, serial rapist, southern california, sex crime, murder mystery, 1980s, crime writer
- Production_studio: HBO Documentary Films, Story Syndicate
- Slogan: After a decade of terror, the Golden State Killer vanished. One woman refused to let him disappear.
- Seasons: 1
- Episodes: 7
- First air date: 2020-06-28
- Last air date: 2021-06-21
- providers: Max, Max Amazon Channel, Spectrum On Demand
- The I'll Be Gone in the Dark is featured in the top rankings of 2020
- #72 in Top Crime Series of 2020
An exploration of the case of the Golden State Killer who terrorized California in the 1970s and 1980s, committing 50 sexual assaults and 10 murders, and true crime author Michelle McNamara's obsessive quest to find justice on behalf of his victims.