During the shootout, the Assassin recognizes the nursery rhyme that Christian is muttering to himself and confronts him, revealing himself to be Braxton, with whom Christian had a falling-out after their father's death.
The Assassin recognizes the nursery rhyme that Christian is muttering to himself and confronts him, revealing himself to be Braxton-out after their father's death. This is during the shootout. Christian had a falling with Braxton.