Some circumstantial evidence is very strong, as when you find a trout in the milkHenry Thoreau.
Such circumstantial evidence finally convinced the cautiously jurisprudential Argentine Foreign Ministry that the two torpedoes which smacked into the plainly marked Argentine tanker Victoria off Hatteras six weeks ago (TIME, May 4) came from an Axis submarine. The Foreign Ministry cabled formal notes of protest to Berlin and Rome, which politely acknowledged receipt and added that they would reply "in due course."
What the replies would allege in self-justification or palliation was anybody's guess, and guess everybody...