Xu Wenjun said nothing more, and the expressions of everyone present grew somewhat strange.
A barely perceptible flicker of panic flashed deep in Wang Zhi's eyes.
Had this man seen the Blood-Handed Scholar leaving that night?
"The Blood-Handed Scholar was the one who purchased the fire oil?"
Zhao Qing was slightly startled. He finally understood why Yang Ling wanted to combine the two investigations!
"Where is the evidence?"
Xu Wenjun spoke flatly.
Yang Ling smiled. "I am the witness. I am willing to take responsibility for every word I say."
"You cannot serve as a witness. You are the investigator. If you cannot produce any evidence, take your men and leave."
Xu Wenjun waved his hand without the slightest courtesy.
Just then, the constables who had been searching for traces with large dogs returned, their expressions grave. They had found nothing.
"Ding Wei, are you certain you applied Tracking Powder at the time?"
Zhao Qing asked in a low voice.
Ding Wei nodded instinctively.
"I did. I scattered it myself. There can be no mistake."
But their failure to find the oil barrels meant the other party had already cleaned away all the fire oil and moved it elsewhere!
In that case, coming to the Wangzhi Medicine Guild today had been nothing but a public embarrassment.
"Using hounds' sense of smell to locate fire oil treated with Tracking Powder..."
Xu Wenjun smiled faintly. "Since you have not found what you were looking for here, that means Master Yang's conjecture was utterly mistaken."
Shi Xin cautiously looked at Yang Ling. Seeing that he remained perfectly composed, Shi Xin could not help feeling a trace of doubt.
"You haven't found the fire oil you were looking for?"
Wang Zhi smiled. "My lords, you truly have misunderstood. Our Wangzhi Medicine Guild deals in