The Department of Homeland Security is allowing certain law enforcement components from the Department of Justice to carry out the "functions" of an immigration officer.

Federal officials touted hundreds of arrests as immigration enforcement ramped up across the country, including in Arizona.

The sheer number of federal agencies involved showed President Donald Trump’s willingness to use federal law enforcement ...

A memo asserts that state and local officials are bound to cooperate and could face criminal prosecution or civil penalties ...

The Justice Department is directing its federal prosecutors to investigate any state or local officials who stand in the way ...

The Department of Homeland ... The agencies listed in the memo are the Drug Enforcement Administration, the Bureau of Alcohol Tobacco and Firearms, the US Marshals Service and the Federal Bureau ...