You have a [non-fatal] encounter with a notorious serial killer. What is the nature of your encounter?
You find evidence that one of you immediate relatives is a serial killer; you struggle with the consequences of turning them in.
You are dating/married to a serial killer; they don't hurt you because you aren't their 'type'
You are a neighbor of a serial killer. After their eventual arrest, you will talk to news reporters about how nice and normal your neighbor always seemed
You are a co-worker of the serial killer; they always gave you bad vibes/made you oddly uncomfortable
You are an intended victim of the serial killer, but manage to escape through sheer luck
You are a fan of the serial killer; when they are captured, you attend their trial and write them letters to jail
You are one of the arresting officers who finally puts the serial killer away
You are a vigilante who attempts to kill the serial killer to avenge a loved one
You are a witness to one of the serial killers murders; you were hiding at the time, but come forward to testify at the trial
You are the serial killer's cell-mate in prison; you exchange stories.