http://www.maryferrell.org/mffweb/archive/viewer/showDoc.do?docId=40395&relPageId=86
Lillian Mooneyham
a.Dallas County clerk watching motorcade from Judge King's windows on the second floor, southwest corner, Criminal
Courts Building, with Mrs. Rose Clark and Jeanette hooker.
b.Heard three shots(?)
c.Heard first shot;saw President slump; thought it was Firecracker.
d.Second and third shots were closer together.
e.Saw Mrs. Kennedy climb on back of car.
f.Mooneyham went Judge Hyer's windows on the third floor of Records Building.
g.People running to pergola.
h.41/2 to 5 minutes after shots she sees man standing behind some boxes on the 6th floor, TSBD.
"Mrs. MOONEYHAM estimated that it was about 4 to 5 minutes following the shots fired
by the assassin that she looked up towards the sixth floor of the TSBD and observed
the figure of a man standing in a sixth floor window behind some cardboard boxes."
Mooneyham doesn't specify she saw the man in the SN window.
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http://www.maryferrell.org/mffweb/archive/viewer/showDoc.do?mode=searchResult&absPageId=69117
"The panel studied two photographs taken within minutes of the assassination. While no human face or form could be detected
in the sixth floor southeast window, the panel was able to conclude that a stack of boxes had been rearranged during the
interval of the taking of the two photographs."
The interval the panel refers to is between the taking of the Powell and Dillard photographs, and so has nothing to do with Mooneyham's obversation four to five minutes after that. The panel thought the sunlit boxes in the background seen in the open window in Powell were added to the scene when compared with the Dillard photograph take a minute before. But 3D demonstrates the sunlit boxes are the same in both photographs.
The box-rearrangment claim was the only conclusion in the HSCA Photographic Panel report that HSCA consultant Robert Groden didn't take issue with.