Prosecutors and defense lawyers say Haley’s story is typical; the vast majority of illicit fentanyl — close to 90% — is seized at official border crossings. Immigration authorities say nearly all of that is smuggled by people who are legally authorized to cross the border, and more than half by U.S. citizens like Haley. Virtually none is seized from migrants seeking asylum.
I skimmed through the methodology. I’m a criminologist by training and the assumptions that aren’t based on nothing. It’s still science-based evidence.