Inside the Mind

Joseph James DeAngelo

By: Brad Hunter

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Paperback | 27 January 2026

At a Glance

Paperback
256 Pages

Dimensions(cm)
19.81 x 12.9 x 1.8

Paperback

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This book dives into the shocking use of genealogy databases that led to DeAngelo’s 2018 arrest, forever changing criminal investigations and bringing an end to a reign of terror.

The Golden State Killer case captivated the public and became a true crime phenomenon, spurring documentaries, podcasts like My Favourite Murder, and even TV shows such as Unbelievable and Mindhunter. Now, this book uncovers the behind-the-scenes work that led to the identification of DeAngelo.

With thrilling insights into the science of familial DNA, this book is a must-read for fans of Making a Murderer and The Jinx. True crime buffs won’t want to miss this deep dive into one of the most astonishing criminal cases of the 21st century, combining cutting-edge forensic science with a truly evil villain.

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