That's a very bold claim. What if you didn't find any evidence of something that indeed happen? What category does it fall into? Even courts will sometimes f

That's a very bold claim. What if you didn't find any evidence of something that indeed happen? What category does it fall into? Even courts will sometimes forgo the need to present evidence if they can establish means, motive and opportunity. Also, of course parent didn't mean it literally. They were referring to a different aspect of how such evidence may be discovered... well, now I feel like I'm explaining a joke.