a. Could reasonably be expected to interfere with enforcement proceedings;
b. Would deprive a person of a right to a fair trial or an impartial adjudication;
c. Could reasonably be expected to constitute an unwarranted invasion of personal privacy;
d. Could reasonably be expected to disclose the identity of a confidential source, including a State, local, or foreign agency or authority or any private institution which furnished information on a confidential basis, and, in the case of a record or information compiled by criminal law enforcement authority in the course of a criminal investigation or by an agency conducting a lawful national security intelligence investigation, information furnished by a confidential source;
e. Would disclose techniques and procedures for law enforcement investigations or prosecutions, or would disclose guidelines for law enforcement investigations or prosecutions if such disclosure could reasonably be expected to risk circumvention of the law; or