U.S. Department of Homeland Security

FILE PHOTO: U.S. President Trump signs an executive order in the Oval Office of the White House

Bypassing Congress, Trump says he'll sign order to resume pay for Homeland Security

By Kevin Freking, Joey Cappelletti, Associated Press

FILE PHOTO: Kristi Noem is seen at Shield of the Americas Summit in Doral, Florida

DHS pauses new immigrant warehouse purchases as all Noem-era contracts are reviewed

The new Homeland Security Secretary, Markwayne Mullin, was sworn in last week to lead a department that was steeped in controversy during Kristi Noem's tenure but also central to President Trump's mass deportation agenda.

By Rebecca Santana, Heather Hollingsworth, Associated Press

U.S. Senate voted to end a partial government shutdown that has snarled airports across the country

WATCH: Johnson rejects Homeland Security funding bill passed by the Senate as a 'joke'

“We’re going to do something different,” House Speaker Mike Johnson said, challenging the Senate to take up the House’s continuing resolution on Monday — assuming it does pass the House, which is uncertain.

By Associated Press

An American Airlines jet takes off from at Washington Reagan National Airport in Arlington, Virginia

WATCH: House Republicans reject Senate bill to reopen Department of Homeland Security

President Donald Trump on Friday signed a promised executive action that will pay Transportation Security Administration employees after a bid to end the shutdown of the Department of Homeland Security abruptly fell apart in Congress.

By Lisa Mascaro, Mary Clare Jalonick, Kevin Freking, Associated Press

ICE agents deployed to more than a dozen US airports amid staffing gaps

WATCH: TSA, Coast Guard, FEMA leaders testify on effects of partial government shutdown

During a House Committee on Homeland Security hearing Wednesday, acting TSA leader Nguyen McNeill said that more than 480 transportation security officers have now quit amid the ongoing shutdown.

By Associated Press

WATCH: Markwayne Mullin sworn in as new homeland security secretary amid shutdown

By Associated Press

After Mullin was sworn in by Attorney General Pam Bondi, Trump punted on questions regarding an emerging DHS funding deal.

WATCH: Senate meets as lawmakers consider deal to fund Homeland Security

By Lisa Mascaro, Joey Cappelletti, Associated Press

The potential breakthrough came after a group of Republican senators headed to the White House late Monday to meet with President Donald Trump.

WATCH: Senate votes to confirm Markwayne Mullin as DHS secretary

By Rebecca Santana, Associated Press

The Senate is on track to confirm Markwayne Mullin as homeland security secretary, President Donald Trump's nominee to take over the embattled department after firing Kristi Noem amid a public backlash over the administration's immigration enforcement and mass deportation operations.

Federal immigration agents deployed to Atlanta airport during partial shutdown

By Emilie Megnien, Wyatte Grantham-Philips, Associated Press

Hundreds of thousands of Homeland Security workers, including from the TSA, U.S. Secret Service and Coast Guard, have worked without pay since Congress failed to renew DHS funding last month.

WATCH: Senate fails to advance measure for DHS funding to end shutdown

By Kevin Freking, Associated Press

A bill to fund the Department of Homeland Security failed to advance Friday in the Senate amid growing concerns about long lines to get through screening at some of the country's biggest airports.