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In Arizona on Oct 8, 2014, DPS Trooper Casey (many of you know him from LivePD) was conducting a traffic stop, when the driver of a vehicle pulled out a .357 Magnum revolver, and shot him in the face. After that some would have walked away from the job. But not Trooper Casey.Brian Murphy has been through the kind of thing you see in movies and say to yourself, 'that is so ridiculous. No one could ever survive that in real life.'By all accounts, Brian Murphy should be dead.The scars on his face, neck, head, legs, arms and hands won't let him forget the day death seemed inevitable. It was sunny Sunday morning in 2012. Dozens of people were gathering to worship in Oak Creek, Wisconsin, at the Sikh Temple

Scott Babb is a lifelong martial artist and the founder of Libre Fighting, the most widely recognized knife-based combat system in the world today. He is considered one of the worlds leading and most innovative voices on the subject of knife combat. Scott has worked with members of various security, military, special forces, and law enforcement groups in the United States and Mexico, and his system is trained by military, special forces, and security teams all over the world. Scott Babb's work has been featured on Vice.com, CNN Indonesia, Recoil Concealment, Blade Magazine, and in Tactical Knives Magazine. Additionally, he is the author of Finding Libre — My Life in the Martial Arts and Tao of the Reaper. He also produces the weekly series "60 Second Lessons" and is the editor and guiding force behind Scythe Magazine.

Jason Wilke retired from the Department of Corrections three weeks ago after a 20-year career with DOC, 15 as a gang investigator within the state's prisons. He's a state trainer and travels the country teaching others about gang trends and intervention

social disorganization may have an effect on youth violence through its effects on family structures and stability.

Ernest R. Emerson is an American custom knifemaker, martial artist, edged-weapons expert , and warrior philosophy

This book provides an in-depth, scholarly examination of serial murderers and their victims. Supported by extensive data and research, the book profiles some of the most prominent murderers of our time, addressing the highest-profile serial killer type--the sexual predator--as well as a wide variety of other types (male, female, team, healthcare, and serial killers from outside the U.S.). Author Eric Hickey examines the lives of over 400 serial murderers, analyzing the cultural, historical, and religious factors that influence our myths and stereotypes of these individuals. He describes the biological, psychological, and sociological reasons for serial murder and discusses profiling and other law enforcement issues related to the apprehension and disposition of serial killers.

In August 1996, Kim Rossmo, a detective inspector from the Vancouver Police Department (VPD), was contacted by a UK police task force called Operation Lynx. The task force involved police officers from three counties -- Leicestershire, West Yorkshire and Nottinghamshire -- who were all searching for a man responsible for five abductions, rapes and violent sex attacks over the previous 15 years.