We quickly rushed back to the station. Although it was already past seven, no one mentioned anything about dinner. We were all anxiously awaiting to hear the results from Xiaozhou.

If the DNA on the band-aid wasn’t Zhang Qiang's, then we would have to watch the murderer go unpunished, unless he committed another crime. But that was the last thing I wanted to see.

At eight, Xiaozhou exited the laboratory. Like a cat on hot bricks, Xiaotao immediately asked, "What’re the results?"

He said with conviction, "The two phalanges are consistent with the DNA of the corpse. As for the DNA on the band-aid…." he paused intentionally, "It matches the DNA on the cigarette butt given to me by Song Yang!"

We cheered happily from the bottom of our hearts. Xiaotao rapped her knuckles on the table and everyone soon quieted down. In a stern...