I'll Be Gone in the Dark is a compelling 2020 true crime documentary series that chronicles author Michelle McNamara's investigation into the Golden State Killer, a serial offender responsible for numerous crimes in California during the 1970s and 1980s. The series not only delves into the chilling details of the case but also highlights McNamara's dedication and the personal toll her obsession took. Featuring interviews with survivors, law enforcement, and McNamara's loved ones, it offers a multifaceted look at the pursuit of justice.