The article says "people", not humans. And whichever term it is using, it is not referring to undocumented immigrants, it is referring to people, regardless of documentation. "Trump's 'border czar', Tom Homan, has stated ICE does not need probable cause to detain people based on their physical appearance. Homan confirmed ICE has made what he described as 'collateral arrests' of 'many' American citizens". The goal is to arrest at least 3,000 brown people, many of which will end up being US citizens, but that is just collateral damage to them.