The 9/11 Flag From Ground Zero Is Missing (ENTERTAINMENT)
To this day, New York City has no leads, nor does the FDNY.  Some experts suggest the real flag was misplaced at Ground Zero in the days after 9/11. All we know for sure is that the real flag came down from the flagpole the night of 9/11, and a different flag was raised 12 days later at Yankee Stadium.