The FAA knows what a mysterious plane that has been flying low in loops over Quincy, Massachusetts for the past few weeks is doing, but it is refusing to tell. The plane is not owned by state or local authorities. An FAA spokesman has said that they do know why the plane is there, but that they cannot inform the public. They are even refusing to say whether it poses a danger or not.

Keep up with this developing story on Linda Moulton Howe’s Earthfiles.com.

Read more on CBS Boston. Click here.
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