; (2) seize any property, whether real or personal, that is involved in any violation or attempted violation, or which constitutes proceeds traceable to a violation, of those provisions of law which U.S. Immigration and Customs Enforcement is authorized to enforce; (3) offer and pay rewards for services and information regarding the apprehension of persons involved in, or the seizure and forfeiture of property associated with, the violation or attempted violation of those provisions of law which U.S. Immigration and Customs Enforcement is authorized to enforce; (4) issue detainers for purposes of immigration enforcement pursuant to sections 236, 241, and 287 of the Immigration and Nationality Act ( 8 U.S.C. 1226 , 1231, and 1357); and (5) conduct undercover investigative operations pursuant to section 294 of the Immigration and Nationality Act ( 8 U.S.C. 1363a ), and section 3131 of the Customs Enforcement Act of 1986 ( 19 U.S.C. 2081 ; enacted as part of the Anti-Drug Abuse Act of 1986). (e) Deputy Director There shall be in U.S. Immigration and Customs Enforcement a Deputy Director who shall assist the Director in the management of U.S. Immigration and Customs Enforcement. (f) Office of Homeland Security Investigations (1) In general There is established in U.S. Immigration and Customs Enforcement the Office of Homeland Security Investigations. (2) Executive Associate Director There shall be at the head of the Office of Homeland Security Investigations an Executive Associate Director, who shall report to the Director. (3) Duties The Office of Homeland Security Investigations shall— (A) serve as the law enforcement office of U.S. Immigration and Customs Enforcement with primary responsibility to conduct investigations of terrorist organizations and other criminal organizations that threaten the homeland or border security