Some of the more than 2,000 National Guard troops on duty in Washington, D.C. are now armed.

Part of a crackdown President Trump claimed again today was needed to help curb crime in the city.

While he threatened similar actions in other cities, including Chicago and New York,

his power to consolidate law enforcement in the nation's capital is unique.

Dima Zane takes a look at why.

These last few weeks in Washington, D.C., have been like few others in its history.

Under Donald Trump's directive, D.C. will become safe again, and it will become clean again.

The first of 800 troops arriving in hummers and dressed in combat camo posted along the

National Mall Tuesday.

Washington, D.C. filed a lawsuit today challenging the Trump administration's takeover of its

police department.

President Trump's actions have sparked protests.

Trump must go now!

And raised questions for many about why he's able to wield control of law enforcement

in D.C. The reasons for that can be traced all the way back to the earliest days of our nation.

In the Constitution, in Article 1, Section 8, it is called the Enclave Clause that talks about

how a district of no more than 10

square miles shall be created by Congress, which will have exclusive legislation over it.

President George Washington selected the final location for the Capitol on the Potomac River.

The result was a federal district that would remain entirely separate from

any state, a decision driven in part by fear. The founders of the country were also wary about

the mob attacking Congress because it had happened once before near the end of the Revolutionary

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