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About The Book
Description
Author
My name is Dale Tunnell and I spent over 41 years as a criminal investigator and law enforcement professional. I had years and years of specialized training and I earned a Ph.D. in psychology. I became an international expert in voice analysis research in criminal investigations and correctional environments and I developed a sophisticated analytical system that incorporated handwriting comparison psycholinguistics psychiatry and acoustical voice analysis called S.H.I.E.L.D. Analysis.After spend