Criminals would never be impressed by the cops kind demeanor. If they were impressed with kindness and such, they wouldn't have become criminals in the first place.

You sound like you've been brainwashed. You make sense, but at the same time, how did we get here in the first place? We were kidnapped. Why kidnap us then try to return us home?

[Natsuki acknowledges that his conclusion might be true, but doesn't trust it enough to rid her mind of suspicions.]