She nodded, having expected the answer, but needing the question answered if only for the sake of deduction. Deduction, in a way, was what made her choose to be an Auror so many years ago. Her mother, having died when she was young, had left very little behind, but one thing her father had kept to give to Aggie in secret had been a hard-cover book containing tales of a Muggle named Sherlock Holmes.
When you have eliminated the impossible, whatever remains, however improbable, must be the truth. Unfortunately for her beloved Mister Holmes, far more was possible, and even probably, in the magical community than in the Muggle world.
So what would the object take that would be of some value? It was hard to tell, because magic, especially dark magic, worked in some rather strange ways whereby it required different agents depending upon who cast the spell and their particular bents. Luckily, she had 14 questions left, so there was room for eliminating the improbable and possibly impossible.
"Did it take away some or all of their magical ability?"