Guan Yan was the best investigator in the Red Alliance.
Slim Waist Control was also good at these things, but it was more about hacking techniques, such as destructive computer viruses and program hacking.
He was good at computers and could find many things on the Internet that others could not.
Qiao Nian occasionally asked him to help her investigate people.
But when she wanted to investigate someone's background, she preferred Guan Yan.
Guan Yan had traveled the world all these years and had unexpected connections everywhere. She knew people from all walks of life.
At the end of it, Guan Yan was still better at this.
Sometimes, David also asked Guan Yan to help him investigate the background of a business partner.
At this moment, a new call popped up on Qiao Nian's cell phone.
She took a look and whispered to the man on the other end of the video call, "I'll answer the dean's call and call you back later."
