Horror movies often show characters becoming detectives in their own mysteries, particularly when the actual authorities don’t believe them. Yet, there are plenty of movies where real detectives come upon a case that’s totally out of the ordinary and requires their thinking outside the box.

Skills and expertise don’t guarantee their own safety or yield the most desirable results in the end, but these professional problem-solvers keep the audience informed. After watching Wake Up Dead Man: A Knives Out Mystery, the latest entry in the Knives Out series, there’s no better time to dig up some other confounding cases.

Keep in mind, these ten movies are just a small sample of what the horror genre has to offer whenever detectives are steering the story.