How long does an IRS criminal investigation take?

Asked by: Prof. Tatum Larson  |  Last update: March 21, 2026
Score: 5/5 (51 votes)

An IRS criminal investigation typically takes 12 to 24 months (one to two years), but can range from a few months to several years, or even longer for very complex cases, depending on case complexity, evidence gathering, and agent caseload. The process is lengthy due to detailed financial record analysis, interviews, and extensive evidence collection, with significant agent resources dedicated to each case, often 1,000-2,000 hours.

What happens during an IRS criminal investigation?

Various investigative techniques are used to obtain evidence, including interviews of third party witnesses, conducting surveillance, executing search warrants, forensically examining evidence, subpoenaing bank records, and reviewing financial data.

How long does a federal criminal investigation take?

They typically last weeks or months, and even years for the more complex and complicated cases. In fact, the investigations can last for the length of time of the statute of limitations. For most federal cases, the statute of limitations is five years.

How to stop an IRS criminal investigation?

How Can You Stop an IRS Criminal Investigation. In general, there is no fast or quick way that you can just stop an Internal Revenue Service criminal investigation once it begins — short of admitting to a crime and pleading guilty.

How long does the IRS have to file criminal charges?

Under 18 U.S.C. § 3282, the government has five years from the due date to bring a felony charge against a taxpayer for the failure to file an FBAR. However, if the government makes a request for foreign evidence under 18 U.S.C.

How Long Does An IRS Criminal Investigation Take? - CountyOffice.org

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How long do IRS criminal investigations take?

Special Agents have no such pressure.

With a 90% conviction rate to protect, they dont bring cases they might lose. They take as long as necessary to make sure theyll win. That “luxury of time” is paid for with your anxiety. The typical IRS criminal investigation takes 12 to 24 months to complete.

How much money do you have to owe the IRS before you go to jail?

You generally don't go to jail for simply owing the IRS money; jail time comes from willful criminal acts like fraud, evasion, or failing to file, not inability to pay, though the amount involved, intent, and cooperation greatly influence penalties, with larger sums and deliberate deception leading to higher risks of severe fines and prison sentences, not just owing taxes. There's no magic number, but willful tax evasion (hiding income, lying) is a felony, even for smaller amounts, while honest mistakes usually result in civil penalties, not jail. 

What is the IRS one time forgiveness?

One-time forgiveness, officially known as First-Time Penalty Abatement (FTA), is an IRS program that allows qualified taxpayers to have certain penalties removed from their tax accounts.

What does a criminal investigator do for the IRS?

IRS-CI is the criminal investigative arm of the IRS, responsible for conducting financial crime investigations, including tax fraud, narcotics trafficking, money-laundering, public corruption, healthcare fraud, identity theft and more.

What is the $600 rule in the IRS?

The IRS $600 rule refers to the reporting threshold for third-party payment apps (like PayPal, Venmo, Cash App) for income from goods/services, where they send Form 1099-K to you and the IRS for payments over $600 in a year. While the American Rescue Plan initially set this lower threshold for 2022 and beyond, the IRS delayed implementation, keeping the old rule ($20,000 and 200+ transactions) for 2022 and 2023, then phasing in a $5,000 threshold for 2024, before recent legislation reverted the federal threshold back to the old $20,000 and 200+ transactions for 2023 and future years (as of late 2025/early 2026), aiming to reduce confusion. 

What is the hardest criminal case to beat?

The "hardest" criminal case is subjective, but generally involves first-degree murder, crimes against vulnerable people (like children), or complex white-collar/sex crimes due to severe penalties, emotional jury bias, intense forensic evidence, and the difficulty of proving premeditation or intent, with some lawyers citing cases involving uncooperative witnesses or unique defense arguments as exceptionally tough. 

How long do feds have to indict you?

Federal law establishes a general statute of limitations that says someone charged with a non-capital federal offense must be indicted within 5 years after the offense was committed, unless the law says otherwise. However, an indictment for any offense “punishable by death” may be filed at any time without limitation.

Why do criminal investigations take so long?

If the evidence is weak or at least limited, the investigation will take longer as the detectives seek to locate witnesses and discover further evidence. One of the best things an investigation subject can do when faced with a criminal investigation is to retain counsel and invoke their right to remain silent.

What are common red flags for IRS investigators?

IRS Warning Signs of Federal Tax Evasion

  • Failing to file tax returns.
  • Having bank deposits that far surpass the taxpayer's reported income.
  • Omitting or understating income.
  • Reporting sales less than the sum of your 1099's.
  • Large numbers of cash deposits or deposits in excess of 10,000.
  • Running a cash intensive business.

How long do most criminal investigations take?

In California, the DA can take weeks or months to make a decision. If your name is part of a report, there's a chance you're under investigation, even if no one has formally told you.

What are the 5 steps of the investigation process?

A typical 5-step investigation process involves Planning, Data Collection, Analysis, Reporting, and Corrective Actions, focusing on gathering facts, identifying root causes (like poor design or management issues, not just human error), documenting everything thoroughly and impartially, and implementing changes to prevent recurrence, balancing speed with depth.
 

What triggers an IRS criminal investigation?

The IRS may initiate criminal proceedings if they suspect a taxpayer has willfully committed tax fraud or tax evasion. This may involve falsifying information on federal tax returns, hiding income, or claiming false deductions.

What are the 7 steps of investigation?

The 7 steps of a crime scene investigation, often called the "7 S's," provide a structured approach: Secure the scene, Separate witnesses, Scan the scene, See the scene (document), Sketch the scene, Search for evidence, and Secure and Collect evidence, ensuring thoroughness from initial response to evidence preservation for a case.
 

What happens after an IRS criminal investigation?

All IRS CI investigations have the potential to result in criminal charges, and a referral to the U.S. Department of Justice (DOJ) could lead to an indictment, criminal trial, fines, prison time, and other consequences.

Will the IRS settle for half?

An offer in compromise allows you to settle your tax debt for less than the full amount you owe. It may be a legitimate option if you can't pay your full tax liability or doing so creates a financial hardship. We consider your unique set of facts and circumstances: Ability to pay.

What is the IRS 7 year rule?

The IRS 7-year rule isn't a single rule but refers to the extended time you should keep tax records (7 years) if you claim a loss from a bad debt deduction or worthless securities, allowing you to claim refunds for overpayments on those specific issues. Generally, the standard is 3 years, but it extends to 6 years if you underreport income by over 25% and indefinitely for fraudulent returns or not filing at all, with 7 years specifically for bad debts/worthless securities. 

Who qualifies for the IRS hardship program?

You're eligible for the IRS hardship program (Currently Not Collectible status) if paying your taxes prevents you from meeting basic living expenses like housing, food, utilities, and necessary transportation/medical care, often due to job loss, serious illness, or low income, requiring you to file all returns and show you have few liquid assets. Eligibility is case-by-case, focusing on your ability to pay after essentials, with documented proof of hardship key for approval. 

Do normal people go to jail for tax evasion?

But here's the reality: Very few taxpayers go to jail for tax evasion. In 2015, the IRS indicted only 1,330 taxpayers out of 150 million for legal-source tax evasion (as opposed to illegal activity or narcotics). The IRS mainly targets people who understate what they owe.

At what point will the IRS come after you?

Notices – The IRS will start sending you notices a month or two after you miss a tax deadline. Penalties and interest – If you don't respond to notices for missed tax payments, you'll continue to accrue penalties and interest.

Has anyone gone to jail for not paying taxes?

Jail for unpaid taxes is rare but possible when the IRS or state proves willful tax evasion or fraud. Tax evasion and tax fraud are criminal offenses under 26 U.S.C. §7201, carrying up to five years in prison. Failure to pay taxes is usually a civil issue unless there is intent to deceive or conceal income.