C434 The First Murder Case!

"Mr. Guo, you have come. I haven't thanked you for telling me all these things before. Coincidentally, I also need to show you the results of my deduction."

As Ash spoke, she took out an electronic file and opened it for Bao Guo and Guibao to see. On it were the actual firing parameters of the G11 Black Stone Castle rifle. Bao Guo was very familiar with it