I suppose the way we would walk through a general production order is that we would have to meet certain obligations before we could actually present it to a justice, who would decide it. One of the main obligations we have to establish is that the evidence likely exists, but it's in the possession of the person or entity to whom we're addressing the order to produce. Essentially, at the outset we're trying to establish who might be in possession of the information. We essentially ask questions to whoever might be a provider in the hope that they will respond in the affirmative that they were providing services at a certain date and at a certain time. If that fails, that can end at least that point of an investigation.
To start off an investigation, it could hamper or completely stop the progress if we were unable to confirm right away that an entity held the evidence we were looking for.