Nalan Wuxia's expression turned cold as she said, "Remember, you are now a policeman. You can't use your thoughts to restore the truth of a case. You need to discover the thoughts of the criminal to break a case.

Just because you don't believe in this, you think that everyone else doesn't either? Then explain to me why this symbol appeared in all three murder scenes. Are you going to tell me that all the criminals like to draw?"

"I..."

The policeman ...