; and (B) carry out other duties and powers prescribed by the Director. (h) Fraud Detection and National Security Directorate (1) In general There is established in United States Citizenship and Immigration Services a Fraud Detection and National Security Directorate. (2) Associate Director There shall be at the head of the Fraud Detection and National Security Directorate an Associate Director, who shall report to the Director. (3) Duties The Associate Director of the Fraud Detection and National Security Directorate shall— (A) ensure immigration benefits are not granted to individuals who— (i) pose a threat to national security or public safety; (ii) are known or suspected terrorists; or (iii) seek to defraud the immigration system of the United States; (B) conduct security and background investigations of applicants for immigration benefits and develop systems and techniques for identifying immigration benefit fraud; (C) conduct targeted site visits in cases in which fraud is suspected; (D) investigate and refer to U.S. Immigration and Customs Enforcement, where appropriate, incidents of suspected fraud, national security concerns, or other civil and criminal violations of immigration laws; and (E) carry out other duties and powers prescribed by the Director. (i) Field Operations Directorate (1) In general There is established in United States Citizenship and Immigration Services a Field Operations Directorate. (2) Associate Director There shall be at the head of the Field Operations Directorate an Associate Director, who shall report to the Director. (3) Duties The Associate Director of the Field Operations Directorate shall— (A) oversee the domestic regional offices, district offices, field offices, and field support offices of United States Citizenship and Immigration Services; (B) adjudicate applications and petitions for immigration benefits; (C) interview applicants for immigration benefits