Download or read book America's Security Agencies written by Thomas Streissguth and published by Enslow Publishers, Inc.. This book was released on 2008 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Federal Bureau of Investigation (FBI), Central Intelligence Agency (CIA), and National Security Agency (NSA) have been protecting Americans for decades. The events following the 9/11 attacks led to the creation of the Department of Homeland Security in 2002. Inside, you will find a thorough examination of each agency and department-its creation, history, structure, inner workings, and importance as they work hard to protect Americans at home and abroad. Book jacket.