Customer Review: Too much informatoin crammed into one resource. Their are some opinions in here disguished as facts. Becareful. I wouldn't buy it, but I needed it for class. Has some decent information in it.
Customer Review: Great book fr school, promotions, and basic investigation knowledge at work in law enforcement. This is considered by many in law enforcement to be mandatory reading, and I am one of those many. Study guide also a good idea!
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