Miami Federal Perjury Defense Attorney

A federal perjury allegation can turn your involvement as a witness into a criminal case of your own. Testimony before a grand jury, an answer during a deposition, or a signed declaration can come under scrutiny when prosecutors believe you knowingly gave false information. Even if you were never accused of the conduct being investigated, what you said under oath can expose you to federal charges.

At the same time, an inaccurate answer does not automatically amount to perjury. People misunderstand questions. Memories fade. A transcript may leave out context that changes the meaning of an answer. The government must prove the elements of the charged offense beyond a reasonable doubt.

If you are under investigation or have been charged with perjury in Miami or elsewhere in South Florida, speak with an experienced federal criminal defense attorney before making further statements. We can review what you said, the circumstances surrounding it, and whether the evidence supports the government’s accusation.

What Constitutes Federal Perjury?

Federal perjury generally involves deliberately making a false statement about a material matter under a legally authorized oath or in a qualifying declaration signed under penalty of perjury. Two federal statutes cover most cases:

• 18 U.S.C. § 1621 — Perjury generally. This statute covers willfully making a material statement you do not believe to be true under an oath authorized by federal law. It also reaches qualifying written declarations made under penalty of perjury.
• 18 U.S.C. § 1623 — False declarations before a federal court or grand jury. This statute addresses knowingly false material declarations in proceedings before, or connected with, a federal court or grand jury. It can apply to testimony and certain written submissions.

These charges can arise from a federal criminal trial, a grand jury investigation, or a deposition in a federal civil lawsuit. You do not have to be the defendant in the underlying case to face prosecution.

The statute matters. Sections 1621 and 1623 differ in their scope, proof requirements, and available defenses. A defense begins with identifying exactly what the government claims was false and which law it says you violated.

What Does the Government Have to Prove?

The precise elements depend on the statute and the type of statement involved. The central issues usually concern whether the statement was false, whether you knew or believed it was false, whether it was material, and whether it was made under circumstances covered by federal perjury law.

A Deliberately False Statement

An honest mistake, misunderstanding, or failure of memory does not establish the intent required for perjury. The Supreme Court recognized this distinction in United States v. Dunnigan: inaccurate testimony can result from confusion, mistake, or faulty memory.

That distinction often drives the defense. What did you understand the question to mean? How much time had passed since the events? Were you asked to recall an exact date without access to your records? Did the question combine several events or assume something that never happened?

We examine the full exchange and the surrounding evidence to assess what your answer meant and what you knew when you gave it.

A Material Statement

A false statement must also be material. In plain terms, it must have a natural tendency to influence, or be capable of influencing, the decision-making body hearing it. The government does not have to show that the statement actually changed the outcome.

For example, false testimony about whether someone attended a meeting at which an alleged crime was planned may be material. Whether an error about a date or another detail meets that standard depends on its role in the case. Calling something a “minor detail” does not resolve the issue; the defense must examine why the question was asked and how the answer related to the proceeding.

Is Lying to a Federal Agent Perjury?

An interview with an FBI agent is different from sworn testimony before a grand jury. A statement made without an oath may fall outside the perjury statutes, but it can still support a separate charge for making a false statement.

Under 18 U.S.C. § 1001, knowingly and willfully making a materially false statement in a matter within federal jurisdiction can be a crime even when you are not under oath. An informal interview at your home or office can create that risk.

Do not assume that agreeing to another interview will clear up an earlier statement. Before speaking further, have a lawyer review what was said and what investigators are asking about.

What Are the Penalties for Federal Perjury?

Perjury under § 1621 and ordinary federal court or grand jury false declarations under § 1623 generally carry up to five years in federal prison per count. Section 1623 provides a higher, ten-year maximum for specified proceedings involving the Foreign Intelligence Surveillance Court or its court of review.

An individual may also face a fine, generally up to $250,000. Federal law allows a higher fine in some cases based on twice the gross financial gain or loss caused by the offense.

The statutory maximum does not tell you what sentence a particular case is likely to produce. The federal sentencing guidelines address matters such as whether the perjury substantially interfered with the administration of justice. When the false testimony concerns another criminal offense, that underlying offense can also affect the guideline calculation.

We assess sentencing exposure alongside the defenses. That allows you to make informed decisions as the case develops.

Defenses to Federal Perjury Charges

A perjury case requires close attention to the words used. Prosecutors may focus on a short answer, while the surrounding questions and testimony tell a more complete story.

The Answer Was True

In Bronston v. United States, the Supreme Court held that a literally true answer could not support a conviction under § 1621 merely because it was unresponsive and misleading by implication. The wording of the question and answer was central to the Court’s decision.

This makes a careful review of the transcript essential. The defense must examine what you actually said, rather than accept a prosecutor’s summary of it.

The Question Was Unclear

A question may contain an undefined term, an unclear time period, or more than one possible meaning. Those problems can affect whether the government can prove your answer was knowingly false.

We review how the question was phrased, what came before it, and whether the questioner asked you to clarify your answer.

You Made an Honest Mistake

Records, earlier statements, and the timing of events may support an honest explanation for an inaccurate answer. A genuine failure to remember can matter. So can confusion about which transaction or conversation the question concerned.

The defense must connect that explanation to the evidence. Simply saying that you forgot may leave important questions unanswered.

The Statement Was Not Material

We examine whether the alleged falsehood could have influenced the proceeding. The government must prove materiality; it cannot rely solely on its claim that an answer was wrong.

The Evidence Does Not Prove the Charge

A conflicting account from another witness does not settle what happened. We assess the witness’s ability to recall events, any reason to shift blame, and whether records support or contradict the accusation.

The complete transcript, recordings, emails, and other documents may reveal gaps in the government’s proof.

Can You Avoid Prosecution by Correcting Your Testimony?

Correcting testimony does not automatically erase a perjury offense.

Section 1623 contains a narrow recantation provision for an admission made in the same continuous court or grand jury proceeding. Whether it applies depends on statutory requirements concerning the statement’s effect on the proceeding and whether its falsity has been or will be exposed.

If you believe you gave an inaccurate answer, speak with counsel promptly about whether and how to correct it. Timing can matter. An attempted correction made without legal advice may create further problems.

What Is Subornation of Perjury?

Under 18 U.S.C. § 1622, procuring another person to commit perjury is a separate federal crime called subornation of perjury. It carries up to five years in prison, a fine, or both.

If the allegation involves efforts to influence a witness or interfere with evidence, we also examine whether the government is pursuing a separate obstruction of justice charge. Each charge requires its own review of the alleged conduct and the governing statute.

What to Do If You Are Accused of Perjury

If an investigator or prosecutor claims that you lied under oath, take the accusation seriously. Before responding:

• Speak with a lawyer. Have counsel review the alleged statement before you agree to another interview or submit a written explanation.
• Preserve relevant records. Keep transcripts, emails, messages, calendars, and documents that may show what happened or help explain your recollection.
• Do not try to coordinate accounts with other witnesses. Tell your lawyer about any concerns involving another person’s testimony.
• Address subpoenas and deadlines promptly. Get advice about your obligations and any rights that may apply before the response date.

Early legal advice can help you understand your position and avoid decisions that make the case harder to defend.

Contact an Experienced Perjury Attorney in Miami

A perjury accusation should be tested against the full record. We examine the exact statement, the question that prompted it, and the evidence the government claims proves it was false. From there, we can explain the available defenses and help you decide how to respond.

If you are under investigation or facing federal perjury charges in Miami or elsewhere in South Florida, contact our office to discuss your case.

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