Since 9/11, the needs of intelligence agencies as well as the missions they conduct have increased in number, size, and complexity. This expanded and updated edition offers a way of gaining the analytic skills essential to undertake intelligence work. It acquaints students and analysts with how intelligence fits into the larger research framework, covering not only the essentials of applied research, but also the function, structure, and operational methods specifically involved in intelligence work. It looks at how analysts work with classified information in a security conscious environment as well as obtain data via covert methods.