The trend noted here gets a major boost:

A federal judge has ruled that workers can file a class-action suit against Tyson Foods Inc. for depressing wages by hiring illegal aliens.

Howard W. Foster, a Chicago lawyer for the Tyson employees, described the ruling in Winchester, Tenn., as a "very big step," allowing him to seek damages for thousands of workers at eight plants -- including one in Glen Allen, Va. -- instead of just the four original plaintiffs.

Foster is suing under the Racketeer Influenced and Corrupt Organizations Act (RICO).