Donald Trump’s “border czar”, Tom Homan, and far-right media personality Tucker Carlson talked about a bizarre range of extremist and racist conspiracy theories in an interview just weeks before Homan took office and was trusted with implementing a wide-ranging crackdown on migrants. The conversation included Carlson’s claim that Mexican cartels come “from cultures that have practiced human sacrifice for thousands of years”, connected the racist “great replacement” theory to Biden’s immigration policy, and advocated the arrest of elected US leaders who opposed Donald Trump’s policies on migrants. On immigration policy, Homan expressed a desire to get the Department of Defense...