Denver Mayor Mike Johnston testified on Capitol Hill about the so-called "sanctuary city" policies on Wednesday morning.

This rejection was said at a hearing in Washington, D.C. The mayors from Boston, Chicago, New York, and Denver were summoned to testify in Congress. Answering questions about their so-called "Sanctuary cities" for undocumented immigrants.

Republican members of Congress hammered four Democratic mayors about their so-called sanctuary city policies, accusing them of endangering Americans and threatening to prosecute local officials.