"I'll Be Gone in the Dark" is a documentary series by HBO that tells the story of the crimes committed by the serial killer Joseph DeAngelo. In the 1970s and 1980s, he committed at least ten murders and raped around fifty people. Until 2001, these crimes were attributed to different aggressors. Journalist Michelle McNamara played a key role in ultimately capturing the perpetrator, who remained unpunished until 2018. The series delves into the details of the investigation and is based on her bestselling book.