Mass Killers: How You Can Identify, Workplace, School, or Public Killers Before They Strike

“Brilliant! The single best book ever written on this essential subject. Absolutely ‘required reading’ for anyone who cares about this topic, and that should be everyone. This book will save lives!” – Lt. Col. Dave Grossman USA (Ret.) Author of Assassination Generation, On Killing, On Combat, and On Spiritual Combat.

“From an expert with first-hand experience in threat dynamics, this essential book provides comprehensive coverage of the mindset of mass murderers so we can all be better prepared to spot and possibly stop the violence.” – Dr. Katherine Ramsland, author of How to Catch a Killer

“Mike Roche has written a masterpiece – immediately useful and easy to read.” A must read for all of us.” – Joe Navarro, FBI Special Agent (Ret.), author of Dangerous Personalities (Rodale) 

"As a former police officer and SWAT member, I have a strong appreciation for Mike's experience. In this book, he outlines clear indicators of potential problems in mass shootings/active shooter scenarios. Every teacher, School Resource Officer, school administrator, manager, Human Resources professional and especially parents should read this book. Mass killings are a modern problem, and Mike's book is a thorough guide to help you prepare for and possibly prevent these terrible incidents. Outstanding work by one of the best!" Dr. Ryan Mann, Ph.D. Data Scientist

Written by a practitioner who has conducted hundreds of behavioral threat assessments and sat in the interview room, the author shares his insights learned from experience. Mass Killers erupt from the shadows and inflict carnage on innocent people attending, work, school or public events. The warning signs of these murderers' intentions are often bling like neon billboards and are often overlooked. This book examines the behavioral mindset of these assassins and will assist those seeking knowledge of how to stop these killers from murdering innocent people and the resulting psychological trauma associated from these horrific events. 

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