Longshi nodded at this reply and turned to walk back to the table in the room, "Ziwei, do you have any lead powder?"

Tea sets are used by fewer people and have to be cleaned every day, so the number of fingerprints present on them will naturally be fewer, and the likelihood of extracting fingerprints from unrelated people will be greatly reduced.

"It's in the small red box on the dresser to your right." Zhu Xingyi answered casually. He had already surveyed everything in this room ...