If Knowles did try to blow up Vanowen S.C., he would have used nitrates, and if he'd used nitrates, the bomb would have filled the air with an odor as pungent as it is distinctive, the same odor that you're smelling right now.
ノウェルズが　ヴァノウェン社を 爆破しようとするなら 硝酸塩を使ったはずだ そして　それを使ったなら 今　君が嗅いでいるのと同じ