I have set multiple spawn points all over the map, and did the spawn command. All the murderers did spawn in, and if you kill them they do respawn after 80 seconds. though after about lets say an hour or 2 into gameplay, they just stop spawning. i have to type the spawn command again and they spawn again, but then they stop again within an hour or so. I don't really have any idea as to whats making that happen.