(b) Information that, if disclosed, would constitute
a clearly unwarranted invasion of personal privacy, unless the disclosure is consented to in writing by the individual subjects of the information. The disclosure of information that bears on the public duties of public employees and officials shall not be considered an invasion of personal privacy. Information exempted under this subsection (b) shall include but is not limited to:
(v) information revealing the identity of persons
who file complaints with or provide information to administrative, investigative, law enforcement or penal agencies; provided, however, that identification of witnesses to traffic accidents, traffic accident reports, and rescue reports may be provided by agencies of local government, except in a case for which a criminal investigation is ongoing, without constituting a clearly unwarranted per se invasion of personal privacy under this subsection; and.......