Lucy had to use all of her skilled powers to keep from flinching under Ginny's scowl. Instead, she stood her ground with a face of calm and composure.
"I've been with Katie." she answered simply. "I've been here since she was attacked."
Carefully and calculatingly, Lucy tried to assess her surroundings. Her wand was in Katie's room and the hall was mysteriously empty. Things were not in her favor. Hopefully, Ginny wouldn't act rashly.