Biden nominates an anti-Trump police chief to head the border agency and secures deal with Mexico, Honduras and Guatemala to mobilize more troops stop the surge in migrants heading north Joe Biden will nominate Tucson, Arizona Chief of Police Chris Magnus to lead the Customs and Border Protection Agency Magnus is highly critical of Donald Trump's hard-line immigration policies The appointment comes as Biden continues to fill out his border enforcement agency amid a growing crisis with a record number of illegal crossings Biden has also struck a deal with Mexico, Guatemala and Honduras for more troops to secure their own borders to stop the massive flow of migrants