Is the author biased in any way toward the American Intelligence apparatus or does he present the issues in a clear and even handed manner?

Chapter 12 of The CIA as Organized Crime. This chapter, entitled Creating a Crime: How the CIA Commandeered the Drug Enforcement Administration, will offer the proposition that the Agency is at least partially responsible for the drug epidemic in the United States. Use Valentine’s expose on the connections between the CIA and overseas drug lords as well as the American Mafia to address the following questions: Do you think Valentine’s view is justified? Are his sources bona fide and do they express adequate knowledge of the subject at hand? Is the author biased in any way toward the American Intelligence apparatus or does he present the issues in a clear and even handed manner?