Who is Katy Miller from Gone for Good and what is their importance? Gone_for_Good_(novel) English & Literature Katy Miller | Gone for Good

Katy Miller is Julie's younger sister. The sisters were very alike in appearance, and Katy is determined to find answers about Julie's murder. Note, Katy's actions are based upon her desire to find Ken, who she knows is guilty of her sister's murder. Katy was actually a witness to the murder, and the authorities effectively covered up her testimony.