Ok, one of the first things that we heard about the Death Traps was that if you get knocked through the red tinted glass with the spider on it, many bugs come and eat you alive. We have seen a lot videos where people get knocked through that glass, and yet, no bugs. So, what the hell? Is it a Death Trap, or is it not?
The window that the PSM noted was the wrong window. In the Beetle Lair there are two rooms, the one you start in, and the one that you have to get knocked through the wall in order to gain access to. In the second room there is a big Red Mortal Kombat Dragon Logo Window that is set up directly behind the available stage weapon, it is set in the wall and therefore clearly leads somewhere else/has something behind it where as the other window is just a pane of glass sitting in the middle of the room In most screenshots the Dragon Logo window is not shown but you can still see the light behind the window casting a red shadow of the Dragon Logo onto the floor, this is the window i believe that you have to smash the victim through in order to activate the Beetle DeathTrap