Originally Posted by mamoo
I'm trying to edit KF-WestLondon, and I want to remove the blood stains everywhere, but they can't be clicked on, nor can I find any of them with the find actors tool, can anyone help me?
Those are cast from projectors above the surface. Find the projectors and you can modify/remove them. The blood stains themselves will remain burnt into the level until the editor is exited and restarted, so you may not see the result immediately, but it will take effect immediately in-game.