This seems to be a declarative sentence. It talks about the reaction of the policeman to a specific thing. His expression is not pleasant. What he might saw is something not good and something to worry about. Other possible thing could be there an heinous crime scene that he faced at that moment. It depends on the situation.<span />
Dexter emphasizes the use of the word pretty during the final dialogue of Scott Fitzgerald's Winter Dream. This is because it is aggressive the insinuation of his interlocutor that the beauty of Judy is not such, since that beauty was the engine that drove his dreams of youth. The news of Judy's situation impacts him because he realizes that he can not go back in time and that in his current world there is nothing that could interest him or cause him the emotion he felt for Judy at the time.
What exactly do you mean by the question? Would you like me to tell you a character or what haha :D
