Fla., said she is referring the Democrat sanctuary city mayors who testified before Congress on Wednesday to the Justice Department for criminal prosecution.

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.

Mayors of four of the largest cities in the U.S. appeared before lawmakers in the U.S. House of Representatives on Wednesday to defend their so-called "sanctuary city" laws, which restrict local officials in helping enforce federal immigration regulations.