Send a Quote Enter a brief message. SendOk2 “All statutes are presumed constitutional and the party challenging the constitutionality of a statute has the burden of clearly establishing that it violates the constitution.” ~ Justice Robert R. Thomas (1952- ) Justice of the Supreme Court of Illinois, former professional football playerSource: delivering the opinion of the court in The People of the State of Illinois v. Claudia Madrigal, Ill.Sup Docket 110194 (2011), citing also, People v. Carpenter, 228 Ill. 2d 250. 267 (2008)