Courts have yet to define how far the Supremacy Clause limits states’ authority over federal officers, experts say.

A federal judge on Tuesday struck down Trump administration policies that allowed immigration agents to arrest non-U.S. citizens at immigration courthouses, ruling that officials failed to justify a ...

Video footage of ICE agents tackling a man at Las Vegas Airport has sparked public outrage and criticism from officials.

An ACLU report looks at widespread use of force in immigration enforcement in the first year of President Trump's return to ...