Nearly as soon as the man's tone changes, the man's identity clicks. Kratos remembers hearing him speak to Raine -- but the conversation had cut off abruptly. Kratos had assumed they'd taken it elsewhere. (Prudent. Raine knows he keeps an eye on things.)

"Not particularly," Kratos answers without a flicker in his expression or a shift to move, either to leave or attack. "Are you getting paid for giving me the message, or for ensuring I go to talk to her?"

That will tell him how hard Holmes intends to try.