Something happen to my tutor student uncle

last week 20th of may my tutor students uncle went overseas we a few friends,and the check in to a hotel.After checking,the went into their room and put their things down than they went to my uncle room to play poker cards.Suddenly there is a door bell and it was a guy.He was holding a tray on his hand and it say room service.Than my uncle ask whether anyone here did call room service and they said no.So they went to open the door and the guy was saying room service and they told him tat they did not order any room service and the guy>JUZ PLUGGE OF HIS HEAD AND PUT IT ON THE TRAY.The girs faint and the boys run.Tat was very scary.