Game: 1342 - Gyakuten Saiben 3 (J)All cases unlocked.US version saved spot is at the climax of the last case. Don't use it if you don't want major spoilers.Saved from my M3 Perfect.
Or when your player dies, you can say in code, if enemy exists, do nothing, but if enemy does not exist, then create enemy at certain spot. (This would be a pain tho for lots of emeies)