Extend the Story - Add a Room

You did not leave yet though. You wanted to see what the cops were doing, and until now, you hadn't tested the Security cameras.
You turned on your Laptop and clicked on an icon reading '1_sc'.
It immediately opened a page with an image of your room. You watched it and found the cops. You switched from the front door Camera to the Bed camera. Here you could see another part of the room. You could also see the Bookcase from this angle, or at least where the Bookcase should have been.
You studied the cops trying to see what they were doing and then you realise it. They are banging the wall.
They must know then that the wall can't be broken through.
You go to turn off your Laptop but stop in your tracks because of the shock you get.
A cop has just entered your Apartment with...

Welders