Xu Luoning knit her brows; it seemed the order for those seasonings was indeed closely tied to the case.
Sun Yuehan pondered for a moment and said, "If that's the case, the murderer likely used this specific seasoning to administer the poison. We must start by investigating the source of the seasoning and everyone who handled it."
Xu Luoning nodded. "Although we know Old Zhang told Xiao Wang to order it, Old Zhang definitely wasn't telling the whole truth. There must be someone else pulling the strings behind the scenes. And that mysterious person—perhaps there is a connection between him and this seasoning as well."
Chapter 129