It's the breadth. Searches have to be narrowly tailored to provide evidence of the specific crime being investigated. There's discussion of this on pages 12–1

It's the breadth. Searches have to be narrowly tailored to provide evidence of the specific crime being investigated. There's discussion of this on pages 12–13 of the judge's opinion. https://plover.com/~mjd/misc/cell-tower-dump-opinion.pdf https://plover.com/~mjd/misc/cell-tower-dump-opinion.pdf