The Communications Assistance for Law Enforcement Act (CALEA) of 1994 was enacted to amend Title 18, United States Code, to make clear a telecommunications carrier's duty to cooperate in the interception of communications for law enforcement's purposes, and for other purposes. CALEA mandated that the U.S. Attorney General implement the provisions of the law. The Attorney General, in turn, designated the FBI to implement CALEA on behalf of all federal, state, and local law enforcement agencies. The FBI created the CALEA Implementation Section (CIS) to carry out this task. CIS's mission is to preserve law enforcement's ability to conduct lawfully authorized electronic surveillance while maintaining a balance of public safety, the public's right to privacy, and industry's ability to remain competitive.
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