Registration is now open for a training session Jan. 16 and 17 in DeKalb that will help first responders better identify and understand post-traumatic stress disorder. PTSD is one of the major factors that has made cases of first responder suicide outnumber all line-of-duty deaths in the U.S, according to a recent study by the Ruderman Family Foundation. The session, hosted by the Illinois Public Pension Fund Association and Northern Illinois University, will be from 8 a.m.