Washington, DC, Police Chief Pamela Smith signed an executive order Thursday allowing DC police officers to share information about people not in their custody with federal immigration enforcement agencies such as ICE — as President Donald Trump continues his federal takeover of law enforcement in the nation’s capital and crackdown on illegal immigration.

The police chief’s order establishes that Metropolitan Police Department officers may now share information with immigration agencies regarding people not in custody.

The chief of police in Washington, D.C., will allow the Metropolitan Police Department to work with federal immigration authorities to arrest illegal immigrants, an unprecedented move that follows President Donald Trump’s crackdown on crime in the city.

President Donald Trump directly controls DC's police and National Guard because of the federal enclave's unique status, experts say.

Trump this week invoked the Home Rule Act, effectively handing the executive branch control over Washington’s police for up to 30 days. Beyond that, Trump would have to go through Congress for an extension authorization.

More federal law enforcement missions on the streets of Washington, D.C. are expected Thursday as troops muster in response to President Donald Trump’s unprecedented announcement that his administration would take over the capital city’s police department for at least a month.

After President Donald Trump's announcement that his administration would take over Washington’s police department for at least a month, hundreds of members of the National Guard began to arrive in the capital.

National Guard troops and Humvees guarded some Washington landmarks Thursday and advocacy organizations helped clear homeless encampments in advance of an anticipated crackdown as President Donald Trump's takeover of city police ramped up.

Some of the District of Columbia’s homeless residents are packing their belongings before an expected sweep to clear out remaining encampments around the nation’s capital.