What is the author's purpose in I'll Be Gone In The Dark?

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The author of I’ll Be Gone in the Dark is Michelle McNamara , but the book’s authorship is actually rather complicated. McNamara, a writer specializing in true crime, worked tirelessly to identify the Golden State Killer, a serial killer who brutally murdered women in California for more than 10 years,...

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The author of I’ll Be Gone in the Dark is Michelle McNamara, but the book’s authorship is actually rather complicated. McNamara, a writer specializing in true crime, worked tirelessly to identify the Golden State Killer, a serial killer who brutally murdered women in California for more than 10 years, with crimes dating back to the 1970's. The Golden State Killer also committed dozens of rapes and burglaries. While she consulted extensively with law enforcement, McNamara conducted a vast amount of independent research. McNamara would leave no stone unturned until the perpetrator, dubbed the Golden State Killer, was brought to justice.

The complications to the question of author’s purpose arise because the final book was a group effort. The reason the collaborative effort was necessary is that McNamara died before completing her investigation. At the time of her death, the killer’s identity remained unknown. Oswald decided that ensuring publication and finding the killer was her legacy. Some of the researchers who had worked with her, as well two other writers, participated in completing the book, but all team members were committed to publishing with her as sole author. This team effort was guided by her husband, the comedian and actor Patton Oswalt.

Improvements to DNA-based technology, including identifying relatives through genomic databases, provided key clues. After the book was published, in 2018, DNA evidence helped identify the killer and bring him to justice.

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