Newly discovered documents may reveal that City Hall had additional details about the dangerous toxic maelstrom that swirled around Ground Zero in the aftermath of the Sept. 11 terror attacks, which has led to the deaths of thousands of first responders. Members of the FDNY and the firefighters union are demanding answers after 68 boxes of information were discovered that could provide more insight into the dust which survivors and first responders were exposed to in the days, weeks and months following the attacks at the World Trade Center in lower Manhattan. Reporter: andrewsiff4ny Digital Editor/Producer: jenny_v_news #september11 #911 #fdny #controversy #health #nyc #news