; (II) a summary of relevant facts ascertained by the Inspector General, including the facts that support, and the facts that do not support, the allegations of such person; (III) the reasons for terminating the investigation; and (IV) a response to any comments submitted under subparagraph (A)(iv). (ii) A written statement under clause (i) may not be admissible as evidence in any judicial or administrative proceeding, without the consent of the person who received such statement under such clause. (C) In addition to any authority granted under subparagraph (A), the Inspector General may, in the absence of an allegation, conduct an investigation for the purpose of determining whether there are reasonable grounds to believe that a reprisal in violation of subsection (a) has occurred, exists, or is going to be taken. (D) (i) Notwithstanding any other provision of this subsection, not later than 30 days after the date on which the Inspector General of the Department of Justice receives an allegation of a reprisal in violation of subsection (a) under subparagraph (A), the Inspector General may terminate an investigation of the allegation without further inquiry if the Inspector General determines that— (I) the same allegation, based on the same set of facts and circumstances, had previously been— (aa) (AA) made by the individual; and (BB) investigated by the Inspector General; or (bb) filed by the individual with the Merit Systems Protection Board; (II) the Inspector General does not have jurisdiction to investigate the allegation