"Leader!" Da Fei was on the line, reporting the findings to Zhao Yu in a serious tone. "We looked up all of the photographs of the crime scene. Neither the exact location of the deceased, nor the two strokes written in blood were clear!"
"Later, we had an idea, and thought of a different way."
"It turns out that the forensic doctor, who was in charge of this case, was Hu Bin's teacher. We got in touch with him through the help of Hu Bin! Although the old man has since retired, he could still recall the scene at that time. He said that he remembered that the two strokes written in blood was right in front of the deceased's body."
"That is to say, the two strokes represent the top of a Chinese character, not the side of the character!"
"Oh?" Zhao Yu asked, "Is it not 'Feng' but 'Lan'?"