chapter 250 Want to incriminate

Harry was momentarily speechless with anger, but still insisted, "Stop making excuses. The failure of this operation is because you tipped off Kelvin."
Han said, "If you insist I tipped him off, then tell me, how did I do it? If you say I called him, check the call records between me and Kelvin. If it was a face-to-face meeting, review the casino's surveillance footage to see if we met."
Harry replied, "Who knows what secret methods of communication you two had."
Han was furious, "Are you...