Circumstantial evidence is evidence.
Circumstantial evidence is occasionally very convincing, as when you find a trout in the milk, to quote Thoreau's example. Arthur Conan Doyle
Jury instructions are so numerous and complex, it's a wonder jurors ever wade through them. And so it should come as no surprise that they can sometimes get stuck along the way. The instruction on circumstantial evidence is confusing even to lawyers. And reasonable doubt? That's the hardest, most elusive one of all. Marcia Clark
How well Shakespeare knew how to improve and exalt little circumstances, when he borrowed them from circumstantial or vulgar historians. Horace Walpole
The U.S. government has known since the early 1990s about Soviet-era smallpox weapons, and collected circumstantial evidence of programs elsewhere. Barton Gellman
With 'Divergent' and 'Insurgent,' there isn't great emphasis on uniformity; it's a vigilante military, the state is in disarray, and there is no reference point for authenticity, so it's just weapons work and circumstantial fighting. Jai Courtney