The Obsessionist: Bryan Kohberger and the Idaho Murders

By Hanson McCaughty

The Obsessionist: Bryan Kohberger and the Idaho Murders

The Definitive Case Study: Beyond the Headlines and into the Evidence.

While other books focus on the tragedy, The Obsessionist is the only book that functions as a deep-dive Forensic and Psychological File, charting the complex story of a methodical investigation and the criminal mastermind it hunted.

Authored by Hanson McCaughty and meticulously drawn from historical events and public records, this narrative nonfiction work breaks down the exact science and behavioral analysis that brought a Ph.D. criminology student from anonymity to the national spotlight.

This is not just a true crime book; it is an unprecedented examination of modern forensic breakthroughs, featuring exclusive analysis of:

* The Criminology Student's Secret Map: A detailed breakdown of how Cell Data (including cell tower pings) was used to systematically expose Bryan Kohberger's repeated stalking pattern, revealing the hidden roadmap of his obsession.
* The Silver Bullet: A chapter-by-chapter explanation of the role of Investigative Genetic Genealogy (IGG) the revolutionary technique that narrowed a universe of suspects down to a single DNA match, showcasing how this technology is fundamentally changing law enforcement.
* The Psychological Profile: An analysis of the killer's background, academic work, and online behavior to understand how a student of criminology applied his knowledge to execute a meticulous attack, and how his own arrogance ultimately led to his capture.

As a critical legal precedent, the Idaho Murders case will be studied for decades. The Obsessionist provides the crucial, evidence-based reference that goes beyond courtroom drama to explain the technical how and the psychological why of one of the most significant true crime cases of our time.

A Forensic and Psychological File

• Format: Paperback
• Language: English
• ISBN: B0G31QKHT7
• ISBN13: 9798274415095
• Release Date: November 2025
• Publisher: Independently Published
• Length: 106 Pages
• Weight: 0.29 lbs.
• Dimensions: 0.2" x 5.5" x 8.5"