I consider an investigation to be "a fishing expedition" whenever there is no good reason at the beginning of the investigation to suspect that the target has c

I consider an investigation to be "a fishing expedition" whenever there is no good reason at the beginning of the investigation to suspect that the target has committed a particular crime. Every time a FISA warrant has been publicized, it has fit that criterion. Following Cardinal Richelieu, any person subjected to enough surveillance may be convicted of something.