James BultemaHistorian and former LAPD officer James Bultema knows about policing in America. He is the author of the best selling Guardians of Angels: A History of the Los Angeles Police Department and several other law enforcement books. For Gangsters and Cops, Bultema weaves an incredibly readable account of how the LAPD overcame deep seeded corruption to become one of the elite law enforcement agencies in the world. Former LAPD's chiefs of police, Charlie Beck, William Bratton, and current chief Michel Moore, think so much of Bultema's work that they each have written a foreword for three different books. Bultema resides in Arizona with his wife, where he never stops writing and researching. Read More Read Less