The suit, based on complaints from unidentified students, accuses the school of squelching speech by requiring 'prior approval' for posting leaflets and through the use of bias-response teams created to investigate complaints about and impose penalties on protected speech. Having filed existing lawsuits against the universities of Michigan and Texas over alleged violations of student free-speech rights, Virginia-based Speech First has targeted the University of Illinois. The organization, which proclaims that "free speech on campus matters," filed a 29-page lawsuit last week against the UI at the U.S.