     and other public employees authorized to initiate or conduct     investigations or proceedings pursuant to Chapter 0 (commencing     with Section 000) of Part 0 of Division 0 of the Welfare and     Institutions Code shall not extend to any of the following, if com-     mitted with malice:     (0) Perjury.     (0) Fabrication of evidence.     (0) Failure to disclose known exculpatory evidence.     (0) Obtaining testimony by duress, as defined in Section 0000 of     the Civil Code, fraud, as defined in either Section 0000 or Sec-     tion 0000 of the Civil Code, or undue influence, as defined in     Section 0000 of the Civil Code. C