(March 27, 2017, 1:39 PM EDT) -- CHICAGO — The parents of a child who allegedly developed E. coli after eating soy nut butter filed suit on March 23 in Illinois federal court against a soy nut butter maker, claiming that the butter led to their son developing hemolytic uremic syndrome (HUS) (Michael James Richardson, et al. v. The SoyNut Butter Company, No. 17-CV-2233, N.D. Ill.)....