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Shake-up at Homeland Security goes beyond Nielsen's exit
By Colleen Long & Jill Colvin
Analysis | The surge in migrants seeking asylum, explained
By Philip Bump
Kevin McAleenan, Top U.S. Border Enforcement Officer, Is Named Acting Head of Homeland Security (Published 2019)
By Jacey Fortin
More Family Separation Spin
By Angelo Gore
All coverage
Trump Relies On Record Number Of Acting Positions
By Brian Naylor
The Stephen Miller Presidency
By Alex Shephard
Kirstjen Nielsen resigns as homeland security secretary under pressure from Trump
By Carol Lee, Alex Johnson & Julia Edwards Ainsley
Trump pushed to close El Paso border, told admin officials to resume family separations and agents not to admit migrants
By Jake Tapper
Kirstjen Nielsen: US Homeland Security chief resigns
By Anthony Zurcher
Trump’s Homeland Security purge, explained
By Matthew Yglesias
TSA Administrator expected to temporarily fill No. 2 role at Homeland Security
By Geneva Sands, Priscilla Alvarez & Kate Sullivan
Trump overseeing 'near-systematic purge' at Department of Homeland Security
By Priscilla Alvarez, Abby Phillip & Jake Tapper
DHS Secretary Kirstjen Nielsen's ouster exposes Trump's immigration crisis
By Stephen Collinson
How Stephen Miller tightened his grip over Trump's immigration and border policy
By Kaitlan Collins, Jeremy Diamond & Phil Mattingly
Trump says DHS Secretary Nielsen leaving
By Jim Acosta, Priscilla Alvarez & Jake Tapper
Incoming acting secretary of Homeland Security 'not an ideologue or fire breather'
By Geneva Sands, Jim Acosta & Kate Sullivan
Trump's support of renewed child separation policy led to collision with Nielsen
By Julia Edwards Ainsley & Geoff Bennett
Homeland Security Secretary Kirstjen Nielsen Leaving Post
By Arnie Seipel
Kirstjen Nielsen Resigns as Trump's Homeland Security Secretary (Published 2019)
By Michael D. Shear, Maggie Haberman & Zolan Kanno-Youngs
Analysis | Trump relies on acting Cabinet officials more than most presidents. It's not an accident.
By Philip Bump
Analysis | Trump digs in on false claim that he stopped Obama's family separation policy
By Salvador Rizzo