; and (2) have a background in immigration law. (c) Functions The Ombudsman shall— (1) undertake regular and unannounced inspections of detention facilities and local offices of U.S. Immigration and Customs Enforcement to determine whether the facilities and offices comply with relevant policies, procedures, standards, laws, and regulations; (2) report all findings of compliance or noncompliance of the facilities and local offices described in paragraph (1) to the Secretary and the Director; (3) develop procedures for detainees or their representatives to submit confidential written complaints directly to the Ombudsman; (4) investigate and resolve all complaints, including confidential and anonymous complaints, related to decisions, recommendations, acts, or omissions made by the Director or the Commissioner of U.S. Customs and Border Protection in the course of custody and detention operations; (5) initiate investigations into allegations of systemic problems at detention facilities; (6) conduct any review or audit relating to detention, as directed by the Secretary or Director; (7) refer matters, as appropriate, to the Office of Inspector General of the Department of Justice, the Office of Civil Rights and Civil Liberties of the Department, or any other relevant office or agency; (8) propose changes in the policies or practices of U.S. Immigration and Customs Enforcement to improve the treatment of United States citizens and residents, immigrants, detainees, and others subject to immigration-related enforcement operations; (9) establish a public advisory group consisting of nongovernmental organization representatives and Federal, State, and local government officials with expertise in detention and vulnerable populations to provide the Ombudsman with input on— (A) the priorities of the Ombudsman; and (B) current practices of U.S. Immigration and Customs Enforcement