Hours after the assassination of conservative activist Charlie Kirk in September, FBI Director Kash Patel told the public on the social platform X that “the subject for the horrific shooting today that took the life of Charlie Kirk is now in custody.” The post proved incorrect: two men briefly detained were released and Utah officials said the gunman remained at large. The episode, and Patel’s subsequent handling of the case, have become central elements of a broader congressional inquiry that begins next week testing whether he can stabilize an agency roiled by political fights and internal upheaval.

Patel approaches scheduled two-day oversight hearings facing scrutiny not only for the misstatement about the Kirk investigation but also for a purge of senior FBI executives that prompted a lawsuit, a reorientation of investigative priorities toward street crime and immigration, and other contested moves including the use of polygraphs to hunt for internal leaks and questions about handling files tied to the Jeffrey Epstein sex trafficking probe. Democrats are expected to press Patel on whether those personnel and policy changes have weakened the bureau’s ability to pursue complex national security and public corruption cases that have long been core FBI functions. Republicans are likely to rally behind Patel or redirect attention to critics of the bureau.

The misstep in the Kirk case unfolded rapidly. As Salt Lake City agents investigated the shooting, Patel posted that the suspect was “in custody.” Utah Gov. Spencer Cox, speaking nearly concurrently at a news conference, said authorities were still searching. Patel soon revised the post to say the person in custody had been released. The discrepancy heightened public alarm and raised internal tensions at the bureau, according to two people familiar with the matter who spoke on condition of anonymity because they were not authorized to discuss it publicly.

“That does not deliver the message that you want the public to hear,” said Chris O’Leary, a retired FBI counterterrorism executive. “It had the opposite effect. People start to wonder what is going in. This looks like the Keystone Cops and it continues to get worse.” The next day a scheduled afternoon news conference on the case was canceled for “rapid developments,” and Patel and his co-deputy, Dan Bongino, flew to Utah; Patel appeared at an evening briefing but did not speak. When authorities announced the arrest of the suspected shooter, Tyler Robinson, Patel said investigators had acted on evidence he helped authorize and told reporters, “At my direction, the FBI released the first set of FBI photos.” The FBI issued a statement saying it had worked with local law enforcement to bring the suspect to justice and “will continue to be transparent with the American people.”

Beyond the Kirk investigation, Patel’s tenure has been marked by a sweeping personnel shakeup this summer that removed several senior executives. Three former senior officials who were dismissed in August filed a lawsuit alleging they were fired in part for resisting political demands and that the purge eroded institutional expertise. Among the plaintiffs is Brian Driscoll, a former acting FBI director who, the suit says, clashed with Patel over requests tied to White House personnel preferences. The FBI declined to comment on the lawsuit.

The turnover extends to many of the bureau’s 55 field offices. Officials and former agents said some departures followed standard promotions or retirements, but others appeared tied to ultimatums to accept new assignments or leave. The head of the Salt Lake City office, an experienced counterterrorism investigator, was pushed out weeks before the Kirk shooting, according to people familiar with that personnel move. In July an agent in Norfolk, Virginia, Michael Feinberg, wrote publicly that he faced a demotion and a polygraph exam because of a friendship with a previous high-profile agent and later resigned.

FBI agents investigating the area of Utah Valley University

Patel arrived at the FBI after a career criticizing the bureau’s previous leadership and has moved quickly to realign its work with priorities of the Trump administration and Attorney General Pam Bondi. That shift has included elevating street crime, drug trafficking and illegal immigration on the agency’s agenda and deploying FBI resources to support federal arrests in local jurisdictions — actions officials have characterized as part of broader efforts to combat public safety problems. The administration has touted a multiagency initiative called Operation Summer Heat to highlight cumulative arrests, many immigration-related; Patel has defended the actions as letting “good cops be good cops.”

Critics say the new emphasis risks diverting attention and resources from sophisticated counterintelligence, national security and public corruption investigations for which the FBI has unique capabilities. “One of the big problems that I see is that the investigative programs that have been hurt the most this year are the ones that really only the FBI does, or the FBI does better than anybody else,” said Matt DeSarno, who retired as head of the Dallas field office in 2022.

Patel’s FBI has also become entangled in politically sensitive probes that reach into the 2016-2020 Trump era. Under his tenure the Justice Department has opened inquiries into former senior officials involved in the Russia investigation, including former FBI Director James Comey and former CIA Director John Brennan — figures Patel criticized in a book he wrote calling them part of a “Deep State.” Bondi has directed that evidence be presented to a grand jury, and agents and prosecutors have sought information and interviews from former officials, according to people familiar with the outreach. Critics characterize the new inquiries as politically motivated and say they risk undermining public confidence in the bureau’s impartiality.

Patel also faces questions about materials and files linked to the Jeffrey Epstein investigation and about changes to bureau management that included naming a co-deputy director to serve alongside Bongino. The agency’s use of polygraph screening to identify leaks has alarmed some current and former employees who say it has contributed to low morale and departures.

The upcoming Senate oversight sessions will be among Patel’s most consequential public tests. “Because of the skepticism that some members of the Senate have had and still have, it’s extremely important that he perform very well at these oversight hearings,” said Gregory Brower, a former FBI executive who once led congressional affairs at the bureau. Lawmakers are expected to press him on how the agency will restore trust, whether recent personnel moves were politically motivated, and how the FBI will balance new priorities with longstanding national security missions.

Patel’s supporters argue the bureau needs new direction and that energetic enforcement against street crime and illegal immigration responds to public safety concerns. Opponents warn that rapid personnel changes, contested investigations and public errors can deepen distrust and erode the FBI’s institutional capacity at a moment of heightened political violence and intense partisan scrutiny.

As the hearings approach, agency officials say the FBI will cooperate with congressional oversight and continue to update the public on investigative developments. The outcome of the sessions could be a turning point for Patel’s ability to lead an agency entrusted with some of the nation’s most sensitive investigations amid growing political polarization.