As a new museum employee, you are given a key by the assistant curator when you complete your Forgery Detection training.
You get the piece of paper. But first you need to have the key (you get it in the Detection Lab) Hope this helps!
In the supply room
Don't ask me, o_o.
finish the tests and he will give u a key.
you have to find the door that goes with it,( is the key to open the janitors closet that will help you in a time that you need it.)
you can with the key!
The same way you got in to get the picture piece : use your key.
You get it when you pass the Forgery Detection training with the assistant curator.
The statues are in a room between the gallery and the security room. Once you get the job and take the Forgery Training, you can walk through the Statue Room to reach the Supply Closet, to which you have been given a key.
you finish getting your job and when you finish he gives it to you
Once you pass the test by the assistant curator, and finish the Forgery training, he will give you a key to the Supply Room.
Apply for the job with the assistant curator and when you pass the Forgery Detection class, he will give you a key to the Supply Room.