Mafia 18. Nightmare Seller.

and in the note from the soothsayer, it says

why would you believe a note from a soothsayer? how can you fall for such a simple guess like an idiot – you were the one yelling that it was a person, and now you're happy like a little kid.
facepalm

Okay, based on this clue, you dug up information on Moning. And based on the first clue, do you have anything on him? Or is it now just "I believe the note and the barber – and that's how I'll execute him"?