18 Del. C. § 2406: Confidentiality and immunity from subpoena.

(a) All papers, records, documents, reports, materials or other evidence relevant to an insurance fraud investigation or examination shall remain confidential and shall not be subject to public inspection so long as the Bureau deems it is reasonably necessary to protect the privacy of the person or matter investigated or examined, to protect the person furnishing the material or to be in the public interest.

(b) Such papers, records, documents, reports, materials or other evidence relevant to an insurance fraud investigation or examination shall not be subject to subpoena until opened for public inspection by the Bureau.