Prior to this point, Michael has been suspicious and covertly contemptuous of the local police department, which he fears will be full of bigots like his father. Yet his claim that the police “never stop looking for the missing” suggests he has an idealized image of what law enforcement could be, even if he doesn’t believe many police officers live up to it. Allie has clearly jumped on the chance for a seasoned detective to look at Sarah’s file, an eagerness that shows both her grief and the power of her friendship with Sarah.