Why does Barty Crouch Jr. impersonate Mad-Eye Moody in "Harry Potter and the Goblet of Fire"?
As part of Voldemort’s plan to infiltrate Hogwarts and ensure Harry participates in the Triwizard Tournament.
<s>[INST] <<SYS>> Answer as briefly as you can to the following question. You are required to give a one-shot answer: <</SYS>> Why does Barty Crouch Jr. impersonate Mad-Eye Moody in "Harry Potter and the Goblet of Fire"? [/INST] As part of Voldemort’s plan to infiltrate Hogwarts and ensure Harry participates in the Triwizard Tournament. </s>