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Room 641A is a telecommunication interception facility operated by AT&T for the U.S. National Security Agency, as part of its warrantless surveillance program as authorized by the Patriot Act. The facility commenced operations in 2003 and its purpose was publicly revealed by AT&T technician Mark Klein in 2006. [1] [2]
Search incident to a lawful arrest, commonly known as search incident to arrest (SITA) or the Chimel rule (from Chimel v.California), is a U.S. legal principle that allows police to perform a warrantless search of an arrested person, and the area within the arrestee’s immediate control, in the interest of officer safety, the prevention of escape, and the preservation of evidence.
Emergency aid doctrine is an exception to the Fourth Amendment, allowing warrantless entry to premises if exigent circumstances make it necessary. [8] A number of exceptions are classified under the general heading of criminal enforcement: where evidence of a suspected crime is in danger of being lost; where the police officers are in hot pursuit; where there is a probability that a suspect ...
A covert program called Hemisphere may allow law enforcement to obtain data on individuals without first obtaining a search warrant. AT&T reportedly has a secret program that helps law enforcement ...
Federal Communications Commission v. AT&T Inc., 562 U.S. 397 (2011), was a United States Supreme Court case on aspects of corporate personhood.It held that the exemption from Freedom of Information Act disclosure requirements for law enforcement records which "could reasonably be expected to constitute an unwarranted invasion of personal privacy" does not protect information related to ...
The Communications Assistance for Law Enforcement Act (CALEA), also known as the "Digital Telephony Act," is a United States wiretapping law passed in 1994, during the presidency of Bill Clinton (Pub. L. No. 103-414, 108 Stat. 4279, codified at 47 USC 1001–1010).
Hepting v. AT&T, 439 F.Supp.2d 974 (N.D. Cal., 2006), was a class action lawsuit argued before the United States District Court for the Northern District of California, filed by Electronic Frontier Foundation (EFF) on behalf of customers of the telecommunications company AT&T.
Deputy U.S. Marshals during a knock-and-announce procedure. Knock-and-announce, in United States law criminal procedure, is an ancient common law principle, incorporated into the Fourth Amendment, [1] which requires law enforcement officers to announce their presence and provide residents with an opportunity to open the door prior to a search.