Iowa sued over hardline immigration law; rights groups claim it's unconstitutional

The state of Iowa’s attempts to crack down hard on illegal immigration is being challenged in court.

A newly passed law making it a crime for an illegal immigrant to enter or re-enter the Hawkeye State if he or she has previously been deported or denied admission to the U.S., is being disputed as unconstitutional by civil rights and immigration groups. 

The complaint filed Thursday alleges that the new statute steps on the federal government’s authority to enforce immigration law....