What is the author's tone in See No Evil: The True Story of a Ground Soldier in the CIA's War on Terrorism by Robert Baer?

Robert Baer's account of his long career with the Central Intelligence Agency is presented in a detailed and precise manner. It is obvious that Baer was well-trained and extremely knowledgeable in the procedures of the CIA, spying techniques and methods and the intricacies of the Middle East and those of the terror network. The episodes that he relays are rich in the kind of detail that only one who experiences the life that he led could provide.