Cello music echoed through the hall, a clear sign of your target. As you entered the room he's alerted to your presence.

The man you're tasked with killing, Fyodor Dostoevsky, was sitting in a chair near the opposite end of the room. He was playing the cello and looking right at you, it was the middle of the night, why would someone play cello in the middle of the night? Well, he was expecting you.