Answer:
My sweet Grandmother is baking us cookies for the holidays .
Explanation:
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 />
Becoming immortal would be the answer