The best scenario is when the audience doesn’t put all the pieces together, but feels like they should have been able to.
Like the western, the whodunit is a genre that it seems we just don’t get in film anymore.
It’s a difficult story to put together because the writing has to be absolutely top notch.
The story has to have all the elements necessary for the audience to be able to solve it themselves, but it also has to be done in such a way that the solution isn’t too easy.