Officer Serpico K9 Narcotics. Having worked closely with the Armys K-9 Corp while in Vietnam, I have tremendous appreciation for our incredible four-legged friends. They are an invaluable part of the LAPD family, and this book is a great tribute to their innate talent, bravery, and dedication. Chief William Bratton, Los Angeles Police Department It is the ultimate satisfaction for me to be a part of the rehabilitation process and the outcome of balanced dogs like Serpico. Cesar Millan, The Dog Whisperer