The judge said his decision was driven in part because it was important that the public have as much information as it could, though he conceded that the extensive redactions that are expected from the justice department could render the document essentially meaningless.
The justice department, represented in court by Jay Bratt, the chief of the counterintelligence section, argued against the release of any portion of the affidavit, saying it would reveal a roadmap of the investigation and chill cooperation from other witnesses who may come forward.
Reinhart presided over arguments between the justice department and several media organizations. Trump has said he supports unsealing the affidavit but filed no motion of his own. One of his lawyers, Chrsitina Bobb, nonetheless attended the hearing to watch proceedings on Thursday.
In February, the US National Archives confirmed that officials found classified materials in 15 boxes of documents Trump improperly removed from the White House in violation of the 1978 Presidential Records Act. It said it recovered the boxes, and reported its findings to the justice department.
The Washington Post reported last week that FBI agents were looking for highly secret documents relating to nuclear weapons during the raid. In a rare public statement, Garland said he had personally authorised the decision to seek the warrant.
Trump, who is considering another presidential run in 2024, has sought to politicize the search of Mar-a-Lago, claiming without evidence that it is part of a wider conspiracy by Democrats to prevent him returning to the White House.
Numerous senior Republicans raced to echo his allegation of a witch-hunt, attacking Garland and the justice department, and with some rightwing allies and extremists including congress members Marjorie Taylor Greene and Lauren Boebert calling for the FBI to be defunded.
And in federal court in New York, Allen Weisselberg, former chief executive officer of the Trump Organisation, pleaded guilty to 15 charges of tax fraud. Trump sat for a deposition in a parallel civil investigation in New York into allegations the company misled lenders and tax authorities about asset values and invoked his fifth amendment protection against self-incrimination more than 400 times.
