C16 True Culprit

Shan Yunong smiled and said calmly, "First of all, this corpse has an aphrodisiac in its nasal cavity. When does the coroner think it was inhaled?"

The coroner replied, "At least six hours."

"What about the spots?" Shan Yunong asked.

The coroner hesitated for a moment. "Four to five hours."

"I agree with you on these two points. There's a gap of two hours