Rowling said, "He can't be a quack. He is a very amazing doctor. Jennifer has seen him treating others and he has cured more than one patient."

As the deputy director of the Drug Administration, Frey was also very good at medicine. He frowned and said, "Can the tumor be treated without surgery? What treatment does he use?"

Rowling said, "I heard Jennifer say that he has a very magical pair of hands. No matter what the disease is, he can cure the disease with just a ...