I was backpacking through Europe, having just been handed a college diploma, facing a haircut and future of misery in law school. Lawprof Steve Vladeck had yet to be born. Justice Harry Blackmun wrote an opinion that, even then, was edgy and controversial, Smith v. Maryland.
Technology allowed the government to wiretap our telephones, to listen in to our private conversations, and it was troubling. Back then, there was a very firm, very clear appreciation of privacy, and the idea that law enforcement could listen in bordered on shocking. Statutes were enacted to strictly limit the use of eavesdropping. Not only was a warrant required, but the ancillary requirements were strict, and the government was expressly required to strictly adhere to them. There was no fudging around the edges of a Title III warrant.
Another technology also came into play. Originally called a “trap and trace device,” it later became known as a pen register. Its capacity was limited to capturing the telephone number called or calling in. Continue reading
