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Covert Surveillance & Electronic Penetration Covert Surveillance & Electronic Penetration Book 51 pages Illustrated 8 1/2" x 11" Softcover Here’s info on spying and wiretapping that the layman can easily understand and that professional investigators and law enforcement officers will learn from. Don’t be fooled by the length of this book-it has more data than books much longer! Covered are techniques of eavesdropping and equipment, wiretapping, telephone bugging & more. |