; (2) the Vice President; (3) a Senator; (4) a Member of Congress; or (5) a candidate for an office described in paragraph (1), (2), (3), or (4) or the campaign of such candidate. 3. Oversight of previous investigations of certain individuals (a) In general Not later than 30 days after the date of enactment of this Act, in the case that a Presidential candidate or his or her campaign was the subject of an investigation during the period described in subsection (d), the Attorney General shall review the investigation to determine whether— (1) the decision to investigate the conduct of the covered party was influenced by political pressures or politically motivated objectives; (2) the conduct of the investigation was influenced by the political beliefs or motives of any person engaged in the investigation or the superiors of such individuals; (3) evidence used in the investigation was obtained by lawful means and not tainted by political sources or motives; and (4) warrants obtained or sought in the investigation were supported by probable cause and were in compliance with all applicable law. (b) Report Not later than 180 days after the date of enactment of this Act, the Attorney General shall make available to the public a report on the result of the review under subsection (a) after any necessary redactions to comply with applicable legal restrictions. (c) Applicable period This section shall apply with respect to any investigation that commenced during the period beginning on June 16, 2015 and ending on March 22, 2019.