; (2) any information, document, or study in the possession of, or conducted by or at the direction of, the Director; or (3) personnel of the Office. (h) Limitation An individual may not serve as Director, Deputy Director for Citizenship and Inclusion, Deputy Director for Workforce and the Economy, Deputy Director for Children’s Integration Success, or Associate Director of State and Local Affairs while serving in any other position in the Federal Government. III Building community trust 301. Protecting aliens who are victims of or witnesses to crimes or are defending civil rights (a) In general The Director of U.S. Immigration and Customs Enforcement shall ensure, except as provided in subsection (b), that removal proceedings are not initiated against any alien who is known to be— (1) a victim of domestic violence, human trafficking, or any other serious crime; (2) a witness involved in a pending criminal investigation or prosecution; (3) a plaintiff in a nonfrivolous lawsuit regarding violations of his or her civil rights, including with respect to union organizing and employment discrimination, as described in the memorandum of the U.S. Immigration and Customs Enforcement entitled Prosecutorial Discretion: Certain Victims, Witnesses, and Plaintiffs issued on June 17, 2011; or (4) actively engaged in an activity related to the preservation of his or her employment, housing, or other legally protected rights. (b) Exceptions (1) In general Notwithstanding subsection (a), an alien described in such subsection may be subject to removal proceedings if the Secretary of Homeland Security determines, on a case-by-case basis, that there is sufficient evidence to conclude that the alien— (A) has committed a serious crime; (B) poses a threat to public safety; (C) has engaged in serious violations of human rights; (D) has engaged in significant immigration fraud