It is the reckless influence upon local law enforcement coming from the Trump administration.

Here is the back story.

When the states joined the union, they gave certain powers to the federal government, and they kept others to themselves.

The powers surrendered are articulated in the Constitution, and the 10th Amendment clarifies the truism that those powers not surrendered have been retained.

The traditional terminology for the powers retained is the "police power." The police power does not refer to police as in cops on the streets, but it does refer to states' powers to make laws and policies that are often enforced by cops on the streets.