A chilling trailer has been released for HBO's new true crime documentary I'll Be Gone in the Dark.
The new six-part documentary series will dive deep into one woman's quest to unmask the Golden State Killer - a serial killer who committed at least 13 murders, more than 50 rapes, and over 100 burglaries in California from 1974 to 1986.
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True crime author Michelle McNamara had been writing I'll Be Gone in the Dark: One Woman's Obsessive Search for the Golden State Killer since 2013, but tragically died before she could finish it.
Her widowed husband Patton Oswalt, crime writer Paul Haynes, and investigative journalist Billy Jensen were able to piece together the book and publish it in 2018.
Incredibly, the book was released just two months before police arrested Joseph James DeAngelo, now 74, who they believe could be the Golden State Killer (GSK). He is yet to face trial.
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McNamara was praised for her dedication to trying to find out who the GSK is and was even credited with coming up with the moniker.
At the height of his crimes, police weren't aware that the offences being committed across California were connected. The GSK had been called the East Area Rapist, Original Night Stalker, Visalia Ransacker, East Bay Rapist and Diamond Knot Killer.
Michelle looked into all the available evidence around the cases and helped authorities connect the dots. Police have praised the true crime author for coining the term Golden State Killer as it helped raise awareness for the cases and created more leads for investigators.
In the trailer for the HBO series, a police officer says about McNamara: "Although she never had a badge and a gun, Michelle always was one of us."
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The six episode series will be directed by the Academy Award nominated and Emmy winning Liz Garbus.
It will feature original recordings and excerpts from McNamara's book, which will be read by actress Amy Ryan. The series will also include exclusive new interviews with detectives, survivors and family members of the killer.
A synopsis from HBO reads: "The series is also a journey into the soul of McNamara, whose True Crime Diaries blog and years of relentless determination for justice for the victims helped keep the case alive and in the public eye, and who tragically died of an accidental overdose while writing her book.
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"A meditation on obsession and loss, I'll Be Gone In The Dark chronicles the unrelenting path of a mysterious killer and the fierce determination of one woman to bring the case to light."
It will premiere on HBO on 28 June. UK viewers will be able to watch the show in the summer on Sky Crime.
Featured Image Credit: HBOTopics: Entertainment, TV and Film