Tampering With Evidence Charges in Minnesota

What the Offense Covers

Evidence tampering generally involves destroying, concealing, altering, or fabricating physical evidence with the intent to interfere with an investigation, prosecution, or other proceeding. It targets conduct aimed at the integrity of evidence — for example, getting rid of items, hiding them, or creating false evidence to mislead.

What this means for you: This is a charge about interfering with the evidence itself. It can be filed in addition to whatever the original investigation was about, turning one matter into two.

The Intent Requirement

Intent is central. The conduct generally must be done knowingly and with the purpose of affecting an investigation or proceeding. Innocently discarding something, ordinary handling of property, or acting without awareness of an investigation is different from deliberately destroying or hiding evidence to obstruct.

What this means for you: If you didn't know about an investigation, or didn't act with intent to interfere, that strikes at an essential element. The mental state is often the most contested issue.

How It Differs From Witness Tampering

Evidence tampering concerns physical evidence — objects, documents, materials. Witness tampering, by contrast, concerns improperly influencing, threatening, or interfering with people — witnesses or their testimony. They're distinct offenses, though a single situation can involve both, and both fall within the broader family of obstruction-type crimes.

What this means for you: If your situation involves witnesses rather than (or in addition to) physical evidence, the witness-tampering analysis applies as well — these are related but separate charges.

How It Relates to Obstruction

Evidence tampering sits within the broader category of conduct that obstructs justice. It can overlap with obstruction of legal process and related offenses, and prosecutors sometimes have charging options across these categories depending on the facts.

Common Defenses

• No intent to interfere — the conduct wasn't aimed at affecting an investigation or proceeding;
• No knowledge of an investigation — you weren't aware of any proceeding to obstruct;
• The item wasn't evidence — or there was no investigation it related to;
• Innocent explanation — ordinary disposal or handling rather than concealment;
• Insufficient proof of the act — the State can't establish the alleged tampering occurred.

Why It Matters

An evidence-tampering charge can be significant on its own and can complicate the underlying case — it may be cited as evidence of consciousness of guilt and adds separate exposure. Because it hinges on intent and knowledge, careful attention to what actually happened and what the person knew is essential.