Keep walking around and looking into different rooms. A lot of the "residents" will pick up whatever they like and take it back to their own "cave" and openly use it there. My DH was in a nursing home for 3 years and this happened often, easy to notice because he loved his violently colored Hawaiian shirts he bought when we vacationed there. I simply "visited" other empty rooms with an aide, and she would flip open the doors and help me take DH's shirts back. I tried to keep calm about it because it helped get a lot of assistance from the workers there.