"You can't start a war in the Middle East and then defund the FBI," Warner said. "That's not a national security strategy—it's negligence."

Republican lawmakers have defended the budget cuts as necessary fiscal discipline, arguing that the FBI had become bloated and politicized. House Judiciary Chairman Jim Jordan (R-Ohio) suggested the agency should prioritize terrorism investigations over what he described as politically motivated cases.

"The FBI has plenty of resources if it focuses on actual threats instead of going after parents at school board meetings," Jordan said, referencing conservative grievances about domestic extremism investigations.

However, FBI field offices report that the cuts have forced difficult choices about which investigations to pursue. Joint Terrorism Task Forces in multiple cities have reduced staffing, surveillance operations have been scaled back, and tip lines that once received prompt follow-up now face significant backlogs.

For Americans in communities across the country, the degraded counterterrorism capacity represents an abstract but real risk. Major cities like New York, Los Angeles, and Washington remain high-priority targets for both foreign terrorist groups and domestic extremists. The FBI's reduced ability to monitor threats increases vulnerability precisely when adversaries may be most motivated to strike.

The agency has also warned about a surge in domestic violent extremist activity, particularly among groups motivated by anti-government ideologies. The Iran war has become a rallying point for disparate extremist movements, some supporting the military action while others view it as evidence of a "deep state" conspiracy.

"We're seeing online communities that usually don't interact starting to find common cause around opposition to the war or claims about its origins," said Mary McCord, a former senior Justice Department official who now tracks extremist movements. "That convergence of different extremist spheres is historically when we see the highest risk of violence."

The FBI's budget crisis extends beyond counterterrorism. White-collar crime units, public corruption investigations, and cybercrime divisions have also faced cuts. Field offices in smaller states have warned that they may not be able to respond as quickly to local law enforcement requests for assistance.

In swing states like Pennsylvania and Arizona, where the FBI works closely with state and local agencies on everything from gang investigations to election security, the reduced federal presence has raised concerns among law enforcement officials.

"The FBI is our force multiplier on complex cases," said Mike Schmidt, a sheriff in Maricopa County, Arizona. "When they can't help because they don't have the staff, criminals win. It's that simple."

Former FBI officials note that rebuilding investigative capacity takes years, not months. Counterterrorism agents require extensive training, security clearances take time to process, and institutional knowledge lost through layoffs is difficult to recover. Even if funding were restored immediately, the agency would face a long rebuilding process.

The White House has said little publicly about the FBI's warnings or its budget constraints. President Trump has occasionally criticized the agency on social media but has not addressed how the administration plans to balance fiscal austerity with national security needs.

Intelligence officials briefing Congress have indicated that the heightened threat period could last months or longer, depending on how the Iran conflict evolves. If the war expands or intensifies, the terrorism threat to the homeland would likely increase correspondingly—at a time when the FBI is least equipped to respond.

"We're hoping to get lucky," said one counterterrorism official bluntly. "That's not a strategy, but at current staffing levels, that's where we are."

As Americans like to say, 'all politics is local'—even in the nation's capital. And the consequences of these budget battles aren't abstract. They play out in FBI field offices from Omaha to Orlando, where agents are making impossible choices about which threats to investigate and which to let slide, hoping that the ones they miss aren't the ones that matter.