Immigration and Customs Enforcement -LRB- ICE -RRB- is a federal law enforcement agency under the United States Department of Homeland Security -LRB- DHS -RRB-, responsible for identifying, investigating, and dismantling vulnerabilities regarding the nation 's border, economic, transportation, and infrastructure security.
Immigration and Customs Enforcement -LRB- ICE -RRB- is the largest and primary law enforcement agency of the United States Department of Homeland Security -LRB- DHS -RRB-.