- Perjury:§ 609.48.
- False report:§ 609.505.
- Needs:knowing falsity.
- Not:honest mistakes.
In Minnesota, lying under oath is a felony, and giving false information to police can be a separate crime even when you're not under oath. Perjury requires a false, material statement made under oath that the speaker didn't believe was true. False-reporting offenses cover things like falsely reporting a crime, giving a fake name to an officer, or making a false emergency call. The line between a mistake, a faulty memory, and a true crime is often where these cases are won.
Perjury (Minn. Stat. § 609.48)
Perjury is a felony: making "a false material statement not believing it to be true" in a proceeding or document where an oath or affirmation is required or authorized by law.
The Elements the State Must Prove
For a perjury conviction, the statement must be:
- False — actually untrue. It is not perjury to tell the truth while believing it to be false.
- Not believed to be true — the speaker knew it was false when made.
- Under oath — and an oath must actually have been given.
- In a proceeding where the oath was required or authorized.
- Material — relevant to the proceeding (interpreted broadly, including matters going to credibility).
Failing to prove any one of these beyond a reasonable doubt requires acquittal. Notably, materiality doesn't require proof that the statement actually affected the outcome, was admissible, or that the speaker knew it was material.
Defenses to Perjury
- Retraction: It's a defense if the speaker retracts or corrects the false statement — the law encourages correcting the record.
- No valid oath: If no proper oath was given, or it wasn't authorized by law, there's no perjury (even if the statement was false). For example, signing a public-defender application in front of a deputy has been held not to be a sufficiently formal oath.
- Belief in truth: If the speaker genuinely believed the statement when made, it isn't perjury.
Perjury convictions are felonies, with a more severe penalty if the false statement is made in a felony trial.
What this means for you: Perjury is hard to prove and rarely charged. The state must show you knew the statement was false when you made it — not that you were mistaken, confused, or simply remembered things differently.
Falsely Reporting a Crime / False Information to Police (Minn. Stat. § 609.505)
Even without an oath, Minnesota makes it a crime to feed false information into the justice system. Key offenses:
- Falsely reporting a crime to police, or knowingly giving false information about others to an on-duty officer. A second or later offense is a gross misdemeanor.
- Giving a fictitious name, false date of birth, or fraudulently altered ID to an officer during a lawful stop or arrest, with intent to obstruct justice. This becomes a gross misdemeanor if the name or birthdate given belongs to another real person.
- Giving a false name or birthdate to a court official in a criminal proceeding, with intent to obstruct justice — also a gross misdemeanor if it's another person's identity.
- Falsely reporting police misconduct — but Minnesota courts have held this provision is unconstitutionally overbroad unless limited to defamatory statements.
- False emergency calls / false fire alarms — making an emergency call knowing no emergency exists, or giving a false fire alarm.
What this means for you: The most common version of this charge — giving a false name to avoid an outstanding warrant — turns on intent to obstruct justice. And giving someone else's real identifying information is treated more seriously than making one up.
Key Terms
- Perjury: A knowingly false, material statement under a valid oath.
- Materiality: Relevance to the proceeding; required for perjury, interpreted broadly.
- Retraction: Correcting a false statement, which can be a defense to perjury.
- False information to police: Falsely reporting a crime, or giving a false name or ID with intent to obstruct justice.
Updated May 18, 2026 · Law verified as of May 29, 2026. This article is general information about Minnesota law, not legal advice.
Frequently Asked Questions
Is it perjury if I just remembered something wrong?
No. Perjury requires that you knew the statement was false when you made it. An honest mistake or faulty memory is not perjury.
Can I take back a false statement to avoid a perjury charge?
Yes. Retracting or correcting the false statement can be a defense, because the law encourages correcting the record.
Is giving a fake name to police a crime in Minnesota?
Yes, when done with intent to obstruct justice during a lawful stop or arrest. It becomes a gross misdemeanor if the name or birthdate belongs to a real other person.
What if there was no proper oath?
If no valid, legally authorized oath was administered, a false statement is not perjury — even if it was untrue.
Why is perjury so rarely charged?
It's difficult to prove. The state must establish, beyond a reasonable doubt, that the statement was false, material, under a valid oath, and known to be false when made.
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Read the guideThe information on this article is for general informational purposes only and is not legal advice. Reading this article does not create an attorney-client relationship.