In "Harry Potter and the Goblet of Fire," someone enters Harry into the Triwizard Tournament as a trap. So who did it, and why?

The Harry Potter films may be magical, but in the apparition from page to screen, some beloved characters had their ...

Robert Pattinson as Cedric Diggory aims a wand at someone off-screen in Harry Potter and the Goblet of Fire. Image via Warner Bros. Twenty years after Harry Potter and the Goblet of Fire first ...