National Security Letters in Foreign Intelligence Investigations: A Glimpse of the Legal Background and Recent Amendments

Doyle, Charles

Library of Congress. Congressional Research Service.

关键词: Intelligence services;    Intelligence activities;    Business intelligence;    Espionage;   

RP-ID  :  RS22406
RP-ID  :  RS22406_2010Dec27

美国|英语

来源: UNT Digital Library

【 摘 要 】

This report discusses the National Security Letters (NSLs), which seek customer and consumer transaction information in national security investigations from communications providers, financial institutions, and credit agencies.