Chapter 340: Handwriting Analysis Expert_1

Zhou Ning's words quieted everyone down, and Mr. Zhao nodded in agreement after a moment of thought.

"Zhou Xiaozhou makes sense. Normally, robbers or kidnappers would strip hostages of anything valuable since they're after wealth. But for this person to willingly leave behind such an expensive gold lock, their self-control is extraordinary."

Zhou Xiaozhou glanced at the note and then at Xu Dayuan.

"For the kidnapping cases on February 3rd, 2000, and April 14th, 2004, I hope the letters sent by the kidnapper can be sent for analysis to see if fingerprints or residues can be found. The extraction method Mrs. Cui used last time can also be applied to paper. We now need to dig into every possible lead.