She had seen the story in the paper, and of course felt inclined to investigate. When she noticed on the computer board that Remus was going to be apart of a group who knew these plants, she figured that would likely be her best option.
She saw the group gathering in the courtyard, but they seemed to be socializing at the time, so she chose to watch and wait until they were ready to leave.
When the red head began prompting the other two she faded into her shadow on the floor and rose up a few feet ahead of the group in silent waiting.