During "99 Luftballons", when Jeremy Piven & Jon Cusack are carrying the body of the assassin down the stairs, they both start off on the same side of the banister. When the camera cuts to the bottom of the stairs, looking up, they're on opposite sides of the banister. From what you can see of the banister, it's a continuous rail, and I know I wouldn't be taking the time to duck under or hop over a banister if I was trying to hide a body during my high school reunion...