C328 Herba ailanthus

Everyone had no choice but to remain silent.

Xue Yang's words had hit the nail on the head.

That's right, since Herba Ailanthus were so uncommon, why did these killers who needed to hide their secrets have to use this kind of poison?

Is there no other drug in this world that can poison people to death?

Tie Ta was surprised, "Did they do this to hide it from others?"

Xue Yang remained silent