Albus Dumbledore didn't know that Moody was actually Crouch Jnr until Moody dragged Harry into his office after Cedric's corpse returned to Hogwarts then Dumbledore came in with the Potions Master and Headmistress to turn back him back into the Death Eater.
Barty Crouch junior, a Death-Eater.
Barty Crouch Junior
In the Goblet of Fire, the fake mad eye moody is Barty Crouch junior who is a Death eater trying to kill Harry. He is actually the son of Barty Crouch, the leader of the ministry of magic
Barty Crouch Jr locked the real Mad Eye Moody in a trunk in his office so that he could use the real Mad-Eye's hair to keep making the potion.
Barty Crouch Jr. (who is also a Death Eater) captures Moody After his Teaching agreement at Hogwarts and Continually uses a Polyjuice potion to keep Mod-Eye's form and teach classes himself in order to get closer to Harry. As for Mad-Eye's Body-Barty Crouch Jr. puts his body in an enchanted truck that around 10-15 ft deep
Barty Crouch junior, a Death-Eater.
Barty Crouch Jr.
Barty Crouch Junior
Barty Crouch jr.
In the Goblet of Fire, the fake mad eye moody is Barty Crouch junior who is a Death eater trying to kill Harry. He is actually the son of Barty Crouch, the leader of the ministry of magic
Barty Crouch Jr locked the real Mad Eye Moody in a trunk in his office so that he could use the real Mad-Eye's hair to keep making the potion.
Barty Crouch Jr. (who is also a Death Eater) captures Moody After his Teaching agreement at Hogwarts and Continually uses a Polyjuice potion to keep Mod-Eye's form and teach classes himself in order to get closer to Harry. As for Mad-Eye's Body-Barty Crouch Jr. puts his body in an enchanted truck that around 10-15 ft deep
Moody is actually a good person but in the Goblet of Fire, the person who teaches Defense Against the Dark Arts isn't really Moody but Barty Crouch jr., pretending to be the real Moody who is locked in Crouch's trunk until after the third task
Alastor 'Mad-Eye' Moody didn't actually explain the disturbance, because the disturbance was him being captured by Barty Crouch Jr. Barty promptly took Polyjuice potion transforming himself into Moody. Moody's dustbins were a deterrent against intruders and were set to fire rubbish in the air. The muggle police were baffled when they arrived, and Arthur Weasley was sent to solve the situation. Crouch (appearing as Moody) didn't have to explain much as it was well known that he was very paranoid.
Barty Crouch died because he had figured out that the "Mad-Eye" Moody that was there was really his son, Barty Crouch Jr. So barty jr. decided to kill his father so nobody else would know he was there and ruin his plan to get Harry to the graveyard for Voldemort.
No, it was the Death Eater Barty Crouch Jr, who was impersonating Professor Moody.
The Death Eater posing as Professor Moody, Barty Crouch Junior.