Warning: Do Not Watch This Video Clip if you are of a nervous disposition or if you have any heart condition [video=youtube;i27qpabTOHc]http://www.youtube.com/watch?feature=player_detailpage&v=i27qpabTOHc[/video]
It looks like someone walking past a light with the shadow effect. Either that or one of the Jackson clan playing a trick on CNN.