A figure from Carl's own remembered past who collected him from an interrogation room saying come on now.
Amid the flood of Katia's memories, Carl surfaces one that is unmistakably his own: the social worker coming to pick him up from the interrogation room. Come on now, she'd said. Come on now.
He recalls it alongside the screaming that turns out to be real — the Lemig Goblin survivors in the ruined ballroom. The fragment sits unexplained in the chapter, a glimpse of Carl's childhood surfacing at the same moment The Memory Simulation hands him someone else's worst days.
A remembered figure from Carl's childhood, surfacing during the procedure.