In the United States, there are a staggering number of agents of the CIA, FBI, and state, local, and tribal police, all authorized and empowered to collect intelligence. But is there a way to use these vast resources to gather intelligence in a socially tolerable fashion and still maintain our cherished civil liberties?

This book presents a thorough investigation of intelligence collection in the United States that examines the delicate balance of civil liberties with the effectiveness of intelligence collection. It contains a history of domestic intelligence in America, a description...