Warner Bros. has acquired the rights to Erik Larson's non-fiction book The Devil in the White City: Murder, Magic And Madness At The Fair That Changed America.

Leonardo DiCaprio will star as Dr. HH Holmes in this tale about a Chicago serial killer stalking prey at the World's Fair. Graham Moore will write the screenplay.

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There is no set start date for The Devil in the White City. Production is expected to start early next year.