The plan at the moment was to, when people made their students, privately message each player and ask if they'd want their student(s) to possibly end up being a killer or the mastermind. If they said yes, if they hadn't been killed by another killer in a case and I ask them who they want to kill, we'd work out the details such as the crime scene, facts about the murder, etc. then. This way the murderers will be kept relatively secret and it'd feel close to the source material since I'd assume everyone'd know their characters are free reign to die, haha.