Immigration judges are a special category in the US, they are under the DOJ instead of the judicial branch.

“Hey, quick follow-up question: Doesn’t that mean that the branch of government kicking people out of the country is, basically, having a hearing in front of itself to determine whether it’s allowed to kick them out? Isn’t that an obvious conflict of interest?”

“Hey, that’s a great question. So anyway, does anyone have another question they’d like to ask?”