Immigration Enforcement Law Enforcement Immigration and Customs Enforcement Drug Enforcement Operations Tariff Collection Border Security Tariff Revenue Policy Changes Law Enforcement Operations Coast Guard Leadership Immigration Policy Policy Implementation Policy Enforcement Detention Procedures Trade Regulations Security Measures Enforcement Actions Law Enforcement Agencies Advisories Law Enforcement Presence Legal Proceedings Records Management National Guard Legal Cases Duties Agent Conduct FBI Border Inspections Raids U.S. Army Corps of Engineers Zollbehörde Mobile Applications FEMA Border Wall Projects Enforcement Challenges