Miami U.S. Attorney Resigns After Overseeing Trump Rivals Probe

Jason Reding Quiñones, the U.S. attorney for the Southern District of Florida, resigned on Friday. He had been tasked with leading the federal investigation into alleged conspiracies by former government officials against President Donald Trump.

The departure marks the latest personnel change in a probe that has faced delays and internal friction. Officials familiar with the matter described frustration among Washington leadership regarding Quiñones' management of the office. The investigation, often referred to as the "grand conspiracy" case, has proceeded in an uneven manner for more than a year.

Quiñones is not the only senior official leaving the Justice Department this week. John Eisenberg, the agency's top national security official, also submitted his resignation on Friday. Attorney General Todd Blanche announced the news in a statement. Harmeet Dhillon, the assistant attorney general who previously led a restructuring of the Civil Rights Division, announced her departure the day before.

The investigation under Quiñones' watch has shown signs of instability. In recent weeks, investigators postponed scheduled grand jury testimony for several witnesses. Staff turnover has been frequent. In April, a lead prosecutor on the John Brennan case was replaced after questioning the strength of the evidence. Joseph diGenova later took over the probe but left the department in September without filing criminal charges.

Blanche praised Quiñones in a social media post, citing his office's work in combating violent and transnational crime. The attorney general specifically mentioned the indictment of Raúl Castro, the former Cuban president. Quiñones' office charged Castro in May with crimes related to the 1996 downing of civilian planes piloted by Miami-based exiles.

In his own social media post, Quiñones expressed gratitude for the opportunity to serve. He stated he leaves with "immense pride in what we accomplished together." He thanked President Trump for his trust and the staff of the Southern District of Florida for their dedication to justice and the rule of law.

Eisenberg, who was sworn in as assistant attorney general for the National Security Division in June 2025, oversaw cases involving espionage and cyber crimes. His tenure included the prosecution of former national security adviser John Bolton. Bolton pleaded guilty this year to mishandling classified information and is currently awaiting sentencing. Blanche said Eisenberg served with distinction in strengthening the nation's ability to address foreign and domestic threats.