Instant #1 New York Times bestseller!

"A mesmerizing read and a great detective story, yet sadly all true...With their book The Idaho Four, James Patterson and Vicky Ward have written perhaps the definitive account of the murders-a disturbing, necessary portrait of a killer and his victims." -Guardian

"New revelations...James Patterson and Vicky Ward reveal new details and attempt to lift the veil of secrecy that has shrouded the Idaho college murders case for more than two years." -Good Morning America

"This is much more than a true crime book. It's a vivid exploration of the range of human response when faceless terror strikes. It's a portrait of America in this polarized moment." -Town & Country

"A lot of brand-new reporting. Clears up a number of mysteries." -Morning Joe

The murders of four innocent college students attending the University of Idaho left us all with so many questions. Now, after more than 300 interviews, James Patterson and prize-winning journalist Vicky Ward finally have the answers.

We know what it was like to live in Moscow, Idaho, on November 13, 2022, the day of the cold-blooded killings. We know what the local police and FBI did right. And what they did wrong. We've learned so much about the four heartbroken families--the Mogens, Goncalveses, Kernodles, and Chapins. And we have the backstory for Bryan Kohberger, brilliant grad student, loner, apparent incel.

You've watched the Prime documentary, One Night in Idaho, now read the "clearest profile yet of the twisted quadruple killer and his motives" (New York Post).