Yes, immigrants are protected by the U.S. Constitution. The brief answer is “Yes.” When it comes to key constitutional provisions like due process and equal treatment under the law, the U.S. Constitution applies to all persons – which includes both documented and undocumented immigrants – and not just U.S. citizens.
14. Freedom of speech and press. Freedom of speech and of the press are two of the great bulwarks of liberty and therefore shall never be restrained, but every person shall be held responsible for their abuse.
The right to travel upon the public streets of a city is a part of every individual's liberty, protected by the Due Process Clause of the Fourteenth Amendment to the United States Constitution and by the Law of the Land Clause, Article I, § 17, of the Constitution of North Carolina.
All persons born or naturalized in the United States, and subject to the jurisdiction thereof, are citizens of the United States and of the State wherein they reside.
A major provision of the 14th Amendment was to grant citizenship to “All persons born or naturalized in the United States,” thereby granting citizenship to formerly enslaved people.
The right to due process of law and equal protection of the law now applied to both the federal and state governments. On June 16, 1866, the House Joint Resolution proposing the 14th Amendment to the Constitution was submitted to the states.
Section 5 grants Congress the power to enforce the Amendment by "appropriate legislation." After adopting the Fourteenth Amendment, Congress passed legislation that criminalized insurrection. Today, this law is codified in 18 U.S. Code § 2383.
In enforcing by appropriate legislation the Fourteenth Amendment guarantees against state denials, Congress has the discretion to adopt remedial measures, such as authorizing persons being denied their civil rights in state courts to remove their cases to federal courts, 2200 and to provide criminal 2201 and civil 2202 ...
The Congress shall have power to enforce, by appropriate legislation, the provisions of this article.
In enforcing by appropriate legislation the Fourteenth Amendment guarantees against state denials, Congress has the discretion to adopt remedial measures, such as authorizing persons being denied their civil rights in state courts to remove their cases to federal courts, 2200 and to provide criminal 2201 and civil 2202 ...