True-crime fans rejoice, HBO has released a new trailer for the documentary series ‘Ill Be Gone In The Dark’.

The six-part documentary series is based on the book of the same name and explores writer Michelle McNamara’s investigation into the dark world of a violent predator she dubbed the Golden State Killer.

Directed by Academy Award nominee and Emmy-winning director Liz Garbus, the documentary explores true crime blogger Michelle McNamara’s unfinished investigation on the case.

Amy Ryan reads excerpts from the book throughout the series which draws from extensive archival footage and police files as well as exclusive new interviews with detectives, survivors and family members of the killer to look at the complicated investigation.

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The documentary premieres on HBO on June 28th.