The dissertation examines the historical development of surveillance, electronic surveillance, and cyber-surveillance from colonial times in the United States to the present.;It presents the surveillance laws, technologies and policies as a balance between national security and privacy.;To examine more recent developments, the dissertation includes case-studies of three cyber-surveillance tools: Carnivore, Magic Lantern, and NARUS; describing the operational functions, logistics, and search functions, and minimization capacities of these tools.;The closing chapters assess the dynamic balance between the achievement of national security and public order and the need to preserve rights and expectations of personal privacy. |