Advanced private investigation a manual of advanced investigative skills for the private investigator by william f blake author editor 30 out of 5 stars 2 ratings isbn 13 978 0398086527 isbn 10 0398086524. The purpose of this book is to provide a basic understanding of some of the more complex matters faced by the private investigator real expertise in the advanced level of private investigations comes from expanding this basic information into a more comprehensive working knowledge of the issues it is not the purpose of this book to make an individual a highly skilled private investigator in every conceivable investigative area rather the intent is to whet the interest in areas not . Get this from a library advanced private investigation a manual of advanced investigative skills for the private investigator william f blake. Blake a retired us army criminal investigation command special agent brings together mostly american private investigators law enforcement officers attorneys and others specializing in a variety of areas who describe in 21 chapters advanced private investigation skills not normally encountered in law enforcement or the academic environment coverage encompasses asset search and recovery competitive intelligence and knowing the adversary polygraph examination marine and maritime . Advanced private investigation book read reviews from worlds largest community for readers