An FBI special agent investigates federal crimes and national security threats on behalf of the United States, which in practice means interviewing witnesses, running surveillance, collecting physical and digital evidence, executing search and arrest warrants, and testifying in court when a case goes to trial. So what does an FBI special agent do on any given week? Some mix of all of the above, depending on the case. New agents enter at a base salary of $58,064, which rises to about $72,580 once the standard 25% availability pay is added, before locality adjustments.1OPM. Salary Table 2026-GS2Office of the Law Revision Counsel. 5 USC 5545a – Availability Pay for Criminal Investigators
The authority behind the badge sits in federal statute. Under 18 U.S.C. § 3052, agents can carry firearms, serve warrants and subpoenas, and make warrantless arrests for any federal felony when they have reasonable grounds to believe the person committed or is committing the crime.3Office of the Law Revision Counsel. 18 USC 3052 – Powers of Federal Bureau of Investigation The Attorney General’s appointment power under 28 U.S.C. § 533 sets the broader mandate to detect and prosecute crimes against the United States.4Office of the Law Revision Counsel. 28 USC 533 – Investigative and Other Officials; Appointment
What Crimes FBI Agents Investigate
FBI jurisdiction is limited to federal offenses and national security threats. Agents do not handle ordinary state crimes like local burglaries or assaults, though the Bureau can assist state and local police in specific situations, including felony killings of state law enforcement officers, violent crimes against interstate travelers, and serial murder cases.5FBI. Where Are the FBI’s Authorities Located
Counterterrorism is the FBI’s top stated priority. Agents track domestic and foreign groups planning acts of violence on U.S. soil, following financing networks, recruitment, and operational planning. Foreign counterintelligence runs alongside that work, with agents identifying and disrupting foreign intelligence services attempting to steal classified information or recruit assets inside the country.
Cybercrime has grown quickly. Agents pursue hackers who compromise critical infrastructure, run large-scale data breaches, or launch ransomware attacks against hospitals, pipelines, and government systems. These cases regularly cross international borders and require coordination with foreign partners.
Public corruption cases target officials at every level of government for bribery, extortion, and fraud involving contracts or elections. Civil rights investigations cover hate crimes and situations where officials violate constitutional protections under color of law. Organized crime work goes after transnational networks involved in drug trafficking, human smuggling, and racketeering. White-collar cases — money laundering, securities fraud, health care fraud — often mean months spent untangling corporate records and tracing money through shell companies before a picture emerges.
Daily Investigative Work
Most of an agent’s time is spent gathering information that either builds or disproves a case. Witness and subject interviews are the primary tool. Two agents typically conduct each interview: one asks the questions, the other takes handwritten notes. Those notes become the basis for an FD-302, the Bureau’s standard form for memorializing what was said.6U.S. House of Representatives. FBI 302 Interview Documentation The 302 is a summary rather than a verbatim transcript, written up after the fact, which means details can be condensed. It still becomes the official record of the interview and a building block for prosecution.
Surveillance is another staple. Agents observe people and locations without detection, sometimes for days or weeks, to establish patterns of behavior or map connections inside a criminal network. This kind of patience-heavy work rarely makes headlines but often produces the link that ties a case together.
Physical evidence collection — weapons, documents, DNA — follows strict chain-of-custody protocols so nothing gets thrown out at trial. Digital evidence has become equally important. Agents seize computers, phones, and server data, then use forensic tools to recover deleted files and decrypt communications. Hours spent reviewing financial records or phone logs for a single inconsistency are routine rather than exceptional.
Warrants, Arrests, and Use of Force
Once an investigation produces probable cause, a federal judge may issue search or arrest warrants. The Fourth Amendment requires that warrants be supported by probable cause and specifically describe the place to be searched and the items to be seized.7Cornell Law School. Fourth Amendment Agents go in looking for what the warrant names; a warrant is not a fishing license.
These operations take coordination. Tactical teams secure the site while forensic specialists handle sensitive evidence. Local and state law enforcement often manage the perimeter or provide backup during large-scale actions. Arrest warrants require physically taking suspects into custody, and once someone is in custody, agents process them under federal guidelines, including fingerprinting and photographing.
Use of Force Limits
The Department of Justice holds FBI agents to a specific use-of-force policy. Agents may use only the level of force a reasonable officer on scene would use under the same circumstances, and only when no effective, safe alternative exists.8Department of Justice. 1-16.000 – Department of Justice Policy on Use of Force Training emphasizes de-escalation, and agents must attempt to gain voluntary compliance before resorting to force when feasible.
Deadly force is authorized only when an agent reasonably believes someone poses an imminent danger of death or serious physical injury. Several hard limits apply: agents cannot use deadly force solely to stop a fleeing suspect, cannot fire at a moving vehicle just to disable it, and cannot fire warning shots outside a prison setting. Chokeholds and carotid restraints are prohibited unless the situation independently justifies deadly force. When feasible, agents must give a verbal warning before firing.
Testifying in Court
An investigation that leads to charges eventually puts the agent on the witness stand. Agents testify about their findings, explain how they collected evidence, and walk juries through complex investigative timelines. Defense attorneys challenge every detail: the accuracy of an FD-302, the handling of a piece of evidence, the agent’s interpretation of financial records. Sloppy documentation falls apart here, and experienced agents know it.
Case file management is a substantial administrative load. Every 302, every evidence log, every surveillance report has to be categorized and accessible for the prosecutors building trial strategy, and it has to survive discovery when the defense examines the government’s evidence. Credible testimony paired with airtight records is what connects investigative work to a conviction.
A Note on Talking to an FBI Agent
Anyone interacting with an agent during an investigation should know that lying carries its own federal charge. Under 18 U.S.C. § 1001, knowingly making a false statement to a federal agent is punishable by up to five years in prison, and up to eight years if the statement involves terrorism or certain sex trafficking and child exploitation offenses.9Office of the Law Revision Counsel. 18 USC 1001 – Statements or Entries Generally The statute applies even when you’re not under oath and even if you weren’t the original target of the investigation.
How to Become an FBI Special Agent
Candidates must be U.S. citizens and hold at least a bachelor’s degree.10FBIJOBS. Eligibility and Hiring The FBI also requires at least two years of full-time professional work experience, or one year with an advanced degree.11FBIJOBS. Special Agent Application and Evaluation Process
Age rules are strict. You must apply before your 36th birthday and be appointed before turning 37, because agents face mandatory retirement at 57 and need 20 years of service to qualify for retirement benefits.12FBI Jobs. Special Agent FAQ
The background investigation is where many candidates wash out. Automatic disqualifiers include:
- Any felony conviction, and for special agent candidates specifically, any domestic violence misdemeanor.
- Marijuana or cannabis use within one year of applying, any other illegal drug use within ten years, or misuse of prescription drugs within one to three years depending on the substance.
- Failure to pay court-ordered child support, or failure to file federal, state, or local tax returns.
- Deliberately misrepresenting drug history on the application.
Marijuana use before age 18 is not a disqualifier. Selling or distributing any illegal drug, or any unauthorized prescription drug, at any point in life results in permanent disqualification.13FBI Jobs. Employment Eligibility – Employment Disqualifiers
Training at Quantico
Candidates who clear selection report to the FBI Academy in Quantico, Virginia, for approximately 18 weeks of New Agent Training covering more than 800 hours of instruction across academics, firearms, operational skills, and case exercises.14FBI. Training Firearms alone accounts for over 100 hours. Operational skills training covers tactical driving, surveillance, and live operations, and case exercises walk trainees through realistic investigations from initial tip through arrest, using actors at the Academy’s mock town.
Before entering the Academy, candidates must pass the Physical Fitness Test with a minimum of 10 total points and at least 1 point in each of four events: push-ups, pull-ups, a 300-meter sprint, and a 1.5-mile run. Scoring that single minimum point requires at least 30 push-ups for men or 14 for women, and completing the 1.5-mile run in under 12:24 for men or 13:59 for women.15FBI Jobs. Physical Fitness Test Self-Evaluation Form Competitive applicants score well above the minimums.
Pay and Career Progression
Special agents enter service at the GS-10 grade on the federal pay scale. In 2026, GS-10 Step 1 base pay is $58,064.1OPM. Salary Table 2026-GS Every agent also receives Law Enforcement Availability Pay, a 25% supplement on base salary that compensates for the expectation of an extra two hours per day on average beyond the standard schedule.2Office of the Law Revision Counsel. 5 USC 5545a – Availability Pay for Criminal Investigators Starting compensation lands near $72,580 before locality pay, which varies by duty station and can add significantly in high-cost cities.
In a non-supervisory field role, agents can advance to GS-13, where 2026 base pay starts at $90,925, or roughly $113,650 with availability pay, again before locality adjustments.12FBI Jobs. Special Agent FAQ1OPM. Salary Table 2026-GS Agents who move into supervisory, management, or executive roles can reach GS-14, GS-15, and eventually the FBI’s Senior Executive Service. Mandatory retirement at 57 gives most agents a 20-year window, which shapes both pension eligibility and the pace of pursuing leadership positions.