They just happened to find the casings in the correct order to match the title of a book about insurance company immortality? Because casings don't line up on the ground neatly in the order they were fired, like magic indestructible passports on the sidewalk, or a turtle on top of a fence post, you know it didn't get there on its own.
The evidence would not have been given to the public so quickly. This smells like a set up.
They just happened to find the casings in the correct order to match the title of a book about insurance company immortality? Because casings don't line up on the ground neatly in the order they were fired, like magic indestructible passports on the sidewalk, or a turtle on top of a fence post, you know it didn't get there on its own.
Why do you say that? There are murders in which the detectives will share some information upfront. This doesn't feel set-up ish to me (yet)