[Had he been planning it? She has to wonder. For how long had he thought about drawing a weapon against Mephisto? Was it just a poor impulse, or was it premeditated?]

I know you didn't do it cause the point of entry was wrong. If you gad shot him, there woulda been a hole in the side of that guy's head.

[She motions with her hands as she speaks, first tapping her finger to her temple, then to the center of her forehead.]

The bullet went in his face. I don't know why you were there in the wing with a gun pointed at Mephisto, but whoever pulled the trigger got away.

[Even if Yukio was the best trick shot in Japan, the tests on his gun came up clean. Yukio didn't shoot Mephisto.]