The reliable detective did not disappoint him. "Getting the victim to drink poisoned beverages is actually very simple—just put a poisoned ice cube in each drink. That way, there is a 100% chance that the victim will choose the poisoned one."
"I see!" Inspector Megure voiced his understanding, but soon felt that something was off.
After hesitating for a moment, the inspector leaned closer to Jiang Xia and whispered, "But I remember that the female clerk drank all of her beverage, and there were no traces of poison residue detected in her cup..."
Jiang Xia said, "The killer only needed to finish her cola in large gulps before the ice cube melted. Then, by pretending that she also liked chewing ice, she could naturally open the lid and pour the still-unmelted ice cube into her mouth.
"This is something many people do, so it would not arouse suspicion. Then she could pretend to cough, naturally spit the ice cube into her palm, and hide it somewhere else."
"Hide it somewhere else?" Inspector Megure immediately had a bad feeling. "The weather is not particularly cold today. After so much time, the ice should definitely have melted. If that is the case..."
Jiang Xia shook his head and reached into his wallet, searching through it.
A moment later, his movements paused slightly, and he looked up at Hattori Heiji.
Hattori Heiji: "...?"
Jiang Xia pointed at his wallet. "You should have a rusty Coin on you, right? Take it out and give it a try."
Hattori Heiji looked suspicious. "Why do not you try it yourself?"
Jiang Xia showed him his gleaming loose change. "All my coins are smooth. I used up the rusty ones long ago."
Hattori Heiji: "..."
Damn it. A Great Detective from Kansai had actually been reduced to