At the end of the article, the &quot;About This Project&quot; section explains that &quot;Milwaukee Journal Sentinel reporter Raquel Rutledge investigated the hazards of diacetyl and other chemicals used in the flavoring industry during a nine-month O’Brien Fellowship in Public Service Journalism through the Diederich College of Communication at Marquette University. This is part of an ongoing series of stories.&quot; Part 1 is here: <a href="http:&#x2F;&#x2F;www.jsonline.com&#x2F;watchdog&#x2F;gasping-for-action-322988651.html" rel="nofollow">http:&#x2F;&#x2F;www.jsonline.com&#x2F;watchdog&#x2F;gasping-for-action-32298865...</a>