Judge Karlton issued a Rule 17 Subpoena
US v Salyer Signed Order Issuing Rule 17 Subpoena

Which the Government Opposed on October 31, 2011

Attached - Defense's November 1, 2011 Subpoena's which were never answered.
Rule 17 means Judge Karlton signed under SEAL and the Government doesn't get copies of the Subpoenas nor the Responses (even though they did get a copy of the Subpoena via Morningstar).

November 1, 2011 Subpoena's which were never answered