[Ah. The LED on his right temple spins red — then yellow, yellow, yellow...]

I'm not human. I'm a machine. [Haltingly, almost like he's startled by the assessment.] And I can't feel worried. I can't feel anything.

[... and finally, the LED returns to blue.]

I'm only reacting to the incongruences between reality and my intended purpose. I was designed to help law enforcement officials. Allowing a criminal to get away with murder contradicts everything in my programming.