I'll Be Gone in the Dark

Name: I'll Be Gone in the Dark
Author: Michelle McNamara

by Michelle McNamara

A deeply reported investigation into the elusive serial offender who terrorized California for decades, and the relentless search for the man who became known as the Golden State Killer.

A killer without a name.

For decades, a mysterious offender terrorized communities across California, committing a series of attacks and murders before seemingly disappearing. Years later, writer Michelle McNamara became obsessed with the case and began tracing scattered clues, police records, survivor accounts, and the work of investigators who had never stopped looking.

McNamara's investigation moves between the original crimes and the modern search for the person responsible. Her work helped bring renewed attention to the case while exploring the human cost of unsolved violence and the persistence of those who refuse to let forgotten victims disappear from memory.

Atmospheric image representing the investigative and mysterious mood of I'll Be Gone in the Dark.

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Some stories refuse to stay buried.

KODAMA / EDITORIAL NOTE

The author 1970 — 2016

Michelle McNamara

Michelle McNamara was an American writer known for her investigative work on unsolved crimes. She created the true-crime website True Crime Diary, where she developed a reputation for examining cold cases with a mixture of meticulous research and deeply personal storytelling.

McNamara became particularly fascinated by the series of crimes committed by the unidentified offender later known as the Golden State Killer. Her investigation eventually became the foundation of I'll Be Gone in the Dark.

ABOUT MICHELLE MCNAMARA

McNamara died in 2016 before the book was published. Her husband, Patton Oswalt, and researcher Billy Jensen helped complete the work for publication.

Four details that make the investigation even more fascinating.

The crimes spanned several California regions.

The offender's attacks occurred across Northern and Southern California over a period of years, creating a complicated investigative trail involving multiple jurisdictions.

McNamara gave the killer a name.

The phrase "Golden State Killer" was popularized by McNamara as she worked to connect the crimes and draw renewed attention to the unidentified offender.

The investigation continued after her death.

McNamara died in 2016, before the book's publication and before the offender was identified. The investigation continued, eventually leading to the arrest of Joseph James DeAngelo in 2018.

The case was solved through forensic genealogy.

Investigators used genetic genealogy to identify Joseph DeAngelo, helping bring a decades-old investigation to a dramatic conclusion.

On screen

When the investigation became a documentary.

In 2020, HBO released I'll Be Gone in the Dark, a documentary series based on Michelle McNamara's work and her investigation into the Golden State Killer.

2020

I'll Be Gone in the Dark

The HBO documentary series explores Michelle McNamara's investigation, the original crimes, the victims and survivors, and the decades-long effort to identify the man responsible. The series combines archival material, interviews, and McNamara's unfinished pursuit of the case.

Legacy

More than a book about a killer.

I'll Be Gone in the Dark became a story about much more than identifying a serial offender. It brought attention to victims whose stories had remained connected to an unresolved investigation for decades, while also documenting the personal obsession of a writer determined to understand what had happened. McNamara's work helped turn an old cold case into a contemporary investigation that ultimately reached its conclusion.

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