She needed to rest somehow , but most important was making sure the Hunter would be ready to go , and he gave her a job to do . She wandered over to the door into the lab and locked it . After that , she wandered back to the closet X had nodded at , and started rifling threw things .

Based on the preceding passage, answer the following question What may have been the reason she locked the door ?
So no one would see her going through the storage spaces .