well there were so may eye witnesses. King is no more king. People adress gyanendra as third class citizen in media and news. So why non of the eye witness has not changed their version from any side. Talkin about the mask, that is just possible in discovery channel and in movies. Yeah there was a incident of this hong kong guy. But  if this thing was so easy then lot of prime minister and president in different countries would have been killed with these same tactics.  This thing is not practial it sounds more like a fiction. I dont know why they came with such a bad reasoning that people had to hard to belive.