get to the bottom of

Anyone who actually cared about women or "life" would want to get to the bottom of that.

"Which is why we did a deep dive to get to the bottom of whether supermarkets were treating shoppers fairly."

He said they were told that work would “get to the bottom of the issue, but obviously not”.

“And I think that there’s a way in which we can kind of sublimate our own stuff by feeling like, ‘If I can just get to the bottom of why that guy or that person did that thing, maybe I could uncover some universal human truth and I could make sure that I never found myself in a situation like that again.’”

They’re trying to get to the bottom of a couple of mysteries — who burned down a house, and something illegal that happened in Ohio — which might or might not end in the family’s deportation.