[parineum]

It's more complicated than that. All they really did was suspend the "fruit of the poison tree" doctrine.

The evidence gathered by the now ruled unconstitutional methods is not allowed to be used but the evidence gathered afterwards is still admissable where it normally would not be.

In this case, they can't use the geofence data of their locations as evidence but, after they used that to identify suspects, they can use all evidence gathered afterwards where that would normally not be allowed.