The public carriage swayed to and fro, with Arthur sitting inside looking through the window, while the young policeman, Field, sat uneasily beside him.
Although the two were not far apart in age, Field was even slightly older.
Yet, for some reason, perhaps due to personal presence, or perhaps because of Arthur's perpetually serene and unchanged expression, Field always felt an invisible pressure.
He remained silent for a long while before he finally couldn't resist asking, "Sir, how exactly did you solve those cases? You might not be aware, but these past few days, our precinct has been abuzz. At a glance, you saw through the truth of the hotel murder case, which is simply unbelievable."
"Unbelievable?"
Arthur leaned against the window, "If you pay attention, you can do it, too, in time.
For every murder, there are only a few patterns, either it's because of personal relationships or because of profit.