The architect of the worst immigration crisis ever in America told a friendly Harvard University audience last night that he fought with sanctuary city officials over arresting criminal illegal immigrants,

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

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.