Gang Investigator's Handbook A Law-Enforcement Guide to Identifying and Combating Violent Street Gangs by Matthew David O'Deane, Ph.D. Street gangs, prison gangs and biker gangs -- made up of every kind of criminal, from vandals and drug dealers to the mo...  Product Details » $45.00 Quantity:

	Gang Intelligence Manual Identifying And Understanding Modern-Day Violent Gangs In The United States by Bill Valentine Marauding gangs have become a fact of life in the U.S., but where did these violent groups come from, and why are they s...  Product Details » $25.00 Quantity:

	Gangs and Their Tattoos Identifying Gangbangers On The Street And In Prison by Bill Valentine and Illustrated by Robert Schober In this book, Bill Valentine, author of Gang Intelligence Manual, shares the latest intelligence on the predomina...  Product Details » $25.00 Quantity:

	Gang Intelligence Set Gang Investigator's Handbook & Gang Intelligence Manual by Matthew David O'Deane, Ph.D. and Bill Valentine SAVE WHEN YOU BUY BOTH THESE COMPREHENSIVE GUIDES ON GANG ENFORCEMENT AS A SET. Written by an experien...  Product Details » $52.95 Quantity: