If you're interested, be sure to check out a recent Canadian case holding that a general warrant for prospective text messages was improper because the messages were being intercepted, requiring an interception order. The Crown was arguing that obtaining the messages from the phone company was not an interception of real-time communications because they were in a database and could therefore be acquired under the general warrant power. By an American law comparison, the court was essentially holding that interception of future text messages required...