 The 2001 film "Gosford Park" paid homage to the classic whodunit premise, while at the same time presenting an original story.The 2019 film "Knives Out" is a modern take on the classic "whodunit" by deconstructing the narrative form and adds a tongue-in-cheek sense of humor.The term "whodunit" is also used among homicide investigators to describe a case in which the identity of the killer is not quickly apparent.