Leanne Explains Katie's Odd Behavior and the Necklace's Origin

PAGES: 250-251

Once Katie is taken away, Leanne explains to Hermione that Katie had received the cursed necklace from someone in the Three Broomsticks. Leanne believes that Katie was under the influence of the Imperius Curse, as she was acting strange and refused to reveal who gave her the necklace. The group pieces together that the necklace is from Diagon Alley - Borgin and Burkes, where Harry had seen it before.