Deputy Chief of Staff for Policy
Appointed as assistant to the president, deputy chief of staff for policy, and homeland security advisor on January 20, 2025. Previously served as senior advisor during the first Trump administration (2017-2021) where he architected the family separation policy and Muslim travel ban. Widely described as the lead architect of the second-term immigration agenda, Miller directed the invocation of the Alien Enemies Act for mass deportations, the rescission of sensitive locations protections allowing ICE raids on churches, schools, and hospitals, the shutdown of the CBP One asylum app, the reimposition of Remain in Mexico, and the termination of TPS for hundreds of thousands of residents. Oversaw the CECOT deportation pipeline to El Salvador and expansion of the expanded travel ban.
The administration invoked a rarely used 1798 wartime statute to justify accelerated removals of Venezuelan nationals, including transfers into El Salvador's detention system, prompting immediate …
The immediate shutdown of the CBP One asylum scheduling app on Inauguration Day cancelled 30,000 appointments and stranded 270,000 asylum seekers, eliminating the primary legal pathway to request …
Immigration enforcement separated at least 11,000 US citizen children from their parents, with children held in government custody for an average of six months while officials used reunification …
A sweeping expansion of travel restrictions targeting predominantly Muslim-majority and African nations, growing from the original first-term ban to cover 39 countries. The bans affect millions of …
The administration reinstated 'Remain in Mexico,' forcing asylum seekers to wait in Mexican cities that the US State Department itself rates as 'Level 4: Do Not Travel' due to kidnapping and violence. …
The rescission of the sensitive locations policy removed decades-old protections for churches, schools, hospitals, courthouses, and shelters from immigration enforcement. The change unleashed a …
TPS was terminated or targeted for termination across 11 countries, de-documenting over 1 million people. Federal courts have blocked or paused several terminations. The State Department maintains 'Do …
The administration imposed an unprecedented total ban on asylum claims at the southern border, shutting down the CBP One app and eliminating all avenues for protection. A federal judge ruled the …
Over 260 Venezuelans were secretly deported to CECOT, where HRW documented torture, sexual violence, prolonged incommunicado detention, and denial of basic necessities. Many deportees had no criminal …