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The Unknown Darkness: Profiling the Predators Among Us
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The Unknown Darkness: Profiling the Predators Among Us

3.95 of 5 stars 3.95  ·  rating details  ·  252 ratings  ·  21 reviews
In basement offices three stories below the ground at the FBI's Academy in Quantico, Virginia, former Supervisory Agent Gregg McCrary was among the first generation of the most elite force for criminal investigation in the world.

In The Unknown Darkness, McCrary takes the reader behind the crime scene to examine in raw first–person close–up the lethal competition between Am
Published September 28th 2004 by HarperTorch (first published 2003)
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I'm a fan of true crime. I'm a fan of psychological thrillers. I'm a fan of books that explore behavior and why we do the things we do (both normal and abnormal psychology).

AND so...

I really enjoyed this.

The Unknown Darkness was written by Gregg McCrary with the help of Katherine Ramsland. McCrary, the narrator, is a former Supervisory Special Agent in the FBI's Behavioral Science Unit and considered "one of the country's preeminent criminal profilers," or so the book claims.

I personally enjoye
This is among the most useful books in my crime library. Gregg McCrary and Katherine Ramsland have written a fascinating can't-put-it-down study of his cases while he was an FBI profiler - one of the best and most well-known of a distinguished group of people.

It's exceedingly well told and tightly written, and the cases themselves are stunning - none more so than the story of German serial killer Jack Unterweger, the most terrifying murderer I have ever read about. Mr. McCrary's role in the inve
Rachel Wilson
The Unknown Darkness is definitely a good read! I highly recommend it if you're really interested in psychology and criminology. So far, this is the best profiling / crime book I’ve read. This book goes in depth about the mind of psychopaths and how you can learn to think like them. It teaches you techniques along the way of how you can learn to be one step ahead of the criminal. He writes about his accomplishments, and even his failures. This book is good for information of what it’s like to be ...more
I have read all of John Douglas's books (I think) and a couple by Robert Ressler, so I was intrigued to come across this book written by someone who worked in the same unit as both men. Douglas and Ressler clearly had a falling out, as they tell overlapping stories with little or no acknowledgement of the existence, let alone input, of the other. I was hoping McCrary's book might shed some light on that. To my disappointment and his credit, it really didn't.

Several of the stories recounted here
I have read a lot of profiler books and this was pretty good. I find that profiling books are really more about the actual case then they are about the actual process of profiling. This book went into a little more detail about profiling and how they've come up with the data they have and how they make determinations on suspects. It was an easy read and was pretty informative. I liked that the author integrated other literature into his assessments and addressed some of the major critiques about ...more
Steven Belanger
Greg McCrary's book (with Katherine Ramsland, MD--who is never mentioned in the text) is a good book about criminal profiling (though he dislikes the term) and the procedures that come before and after it. But overall it pales in comparison to the books by John Douglas, his former boss, partner and mentor.

It seems like McCrary is cashing in a little bit on his former boss's popularity, and he goes out of his way often to mention him, and his books. McCrary doesn't have anything to add to the pro
The book I read is called The Unknown Darkness: Profiling the Predators Among Us by Gregg O. McCrary. It is a true crime book. The main theme is crimes that happen in every day lives that you don’t hear about and how you solve them by following an investigator through his job.

In the book there are a series of different stories that connect by one thing the investigator. Gregg O. McCrary investigates serial rapes, mass killings and hangings.Throughout the book he brings in these stories while inv
Gregg McCracy is a profiler with the FBI's Behavioral Science Unit (made famous by "Silence of the Lambs") and here, he takes us behind the scenes of notable FBI investigations including the Sam Sheppard and Arthur Shawcross cases. He explains the steps of a normal criminal investigation and how profiling fits in. He also delves into religiously-based offenses such as David Koresh's standoff with the ATF in 1993 and the massacre of Buddhist monks at a temple in the United States. Along the way, ...more
To be honest I was glad to be done with this book. I have only given it 2 stars because I didn't necessarily like it but was compelled to read it. While the case stories are fascinating, they are also bleak and very gruesome. A lot of the cases are sexually sadistic killings and the details really turned my stomach as did some of the photos. Also the set-up of the book was a little frustrating - the first case story drew me in but was unresolved at the end of the chapter and then the author did ...more
This is fascinating. If you like the TV show Criminal Minds, you'll love this. It's written by a former FBI profiler and it gives whole new insight to the Waco (David Koresh), Sam Sheppard, Scarborough Rapist and other less well-known cases.

There are clearly criminal types who need to be identified early and never allowed to roam the free world. These are psychopaths, dangerous people who cannot be rehabilitated. Therapy often makes them more dangerous because they take what they learn to better
Terrifying. If you want to stay awake tonight, read this book! Written by a former FBI profiler, The Unknown Darkness takes you through his most memorable cases. Very good.
McCrary, a former FBI profiler, talks about his most famous cases, including a Buddist temple massacre, a serial rapist who becomes a killer, and a re-examining of the Marilyn Sheppard case.

Enthralling, though a little hard to read. Sometimes a little disjointed, but stands on its own.
Madonna Analla
I really liked this book! It offered a new perspective on some well known crimes. The perspective was from the inside, of someone personally involved in the cases and that made it very interesting. I would recommend this for anyone who reads true crime.
Pretty good! There were spots at the beginning that dragged just a little, which is pretty much all that kept it from being five stars, but it is well-written and interesting
Looks into habits of Psychos and how they can be caught. Dont read if you are squemish about descriptive murders and such....... however this book is highly intellectual
Very good read, graphic details and informative narratives. Written in a way that is easy to understand and light for reading. Recommended for CSI enthusiasts.
Tiffany M
Aug 14, 2007 Tiffany M rated it 5 of 5 stars  ·  review of another edition
Recommends it for: anyone interested in behavioral criminology
Shelves: finishedbooks
I took a class with Gregg McCrary (the author) for my masters and it was excellent. I highly recommend this book.
Wonderful book written in almost a textbook style. A truly great analysis of the Sam Sheppard case at the end.
Marianne Jay
I am a real true crime nut. This book was awesome.
Very insightful and interesting.
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