[Nasrudith]

The big Apple vs FBI high profile lawsuit for one. Granted that was a telegraphed precedent seeking exercise by "accidentally" losing access to the work phone after the terrorists destroyed their personal phones before the attack.

[drb91]

That was not an NSL.

[Nasrudith]

True - they are less publicly tested but it is suggestive in its own way. If they could just NSL their way to access why bother with precedents? It is wild speculation but that is what lack of transparency has wrought.