Defense Secretary Hegseth Enters the Sept. 11 Case Fray

The new Pentagon chief got a look at Guantánamo Bay’s most infamous inmate in his recent visit to the wartime prison.

Pete Hegseth, Trump’s Defense Secretary, to Visit Guantánamo Bay

Mr. Hegseth served at the U.S. Navy base as a National Guard lieutenant. The base is now being used to hold some migrants who face deportation.

Trump Administration Moves More Migrants to Guantánamo Bay

The base had been cleared of migrants since Thursday, after the government sent 177 to Venezuela and one back to the United States.

Trump Plans to Use Military Sites Across the Country to Detain Undocumented Immigrants

The move would be a drastic escalation by the White House to militarize immigration enforcement.

What We Know About the Secretive Migrant Mission at Guantánamo Bay

The Trump administration has said little about the Venezuelan men who were transferred from Texas to the U.S. military base in Cuba.

Accused 9/11 Mastermind Agrees to Use of Disputed Confession for Life Sentence

Lawyers for Khalid Shaikh Mohammed have said for years that the confession was tainted by torture. Mr. Mohammed has now agreed that portions can be used at his sentencing trial if prosecutors agree to settle his case.

Honduran Leader Threatens to Push U.S. Military Out of Base if Trump Orders Mass Deportations

In pushing back against President-elect Donald J. Trump’s plan, President Xiomara Castro threatened that bases hosting U.S. troops could “lose all reason to exist in Honduras.”