The idea of this role is kind of like a Lookout.
Night action: Visit one person each night. If that person is killed, you get a description of the person that killed them
What that means, in my head, is if you visit the person, they die, the game gives you a random list of like 3 or 4 people that may have been the killer.
It is nighttime so you don't have a good look at the person. With the options, you can adjust how many people are on the list that you see, pierce immune detection, things like that. Or make it like 1/3 of the people still alive.
This gives town a last resort investigative role. It is down to 5 people and you see who was killed, it gives your a small list, and you know that one of the person is a confirmed Sheriff, for example, so you know who the killer was.
It can be classified with Lookout and Blackmailer, not suspicious to Sheriffs.