Testis Unus, Testis Nullus: The Importance of Multiple Witnesses in Law

Definition & Meaning

The term Testis Unus, Testis Nullus is a legal maxim that translates to "one witness is not a witness." This principle emphasizes that a single witness's testimony is insufficient to support a claim or corroborate a story in legal contexts. It underscores the importance of having multiple sources of evidence to establish the credibility of a case.

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Real-world examples

Here are a couple of examples of abatement:

For instance, in a personal injury case, if a plaintiff relies solely on their testimony without any corroboration from other witnesses or physical evidence, their case may be weakened. (hypothetical example)

In a criminal trial, if the prosecution has only one eyewitness to a crime, the defense may argue that the lack of additional witnesses undermines the credibility of the testimony.

State-by-state differences

Examples of state differences (not exhaustive):

State Application of the Maxim
California Requires corroboration in specific civil cases.
Texas Emphasizes corroborative evidence in criminal cases.
New York Recognizes the maxim in both civil and criminal contexts.

This is not a complete list. State laws vary, and users should consult local rules for specific guidance.

Comparison with related terms

Term Description Difference
Corroboration Additional evidence that supports a claim. Corroboration is a broader concept, while Testis Unus, Testis Nullus specifically addresses the insufficiency of a single witness.
Witness A person who gives testimony about what they observed. This term refers to individuals providing evidence, while the maxim critiques the reliability of a single witness.

What to do if this term applies to you

If you find yourself in a situation where this maxim is relevant, consider gathering additional evidence or witnesses to support your case. You can explore US Legal Forms for templates that can help you document your evidence effectively. If your situation is complex, seeking professional legal assistance may be advisable to ensure your rights are protected.

Quick facts

  • Applies in civil and criminal law.
  • Emphasizes the need for corroborative evidence.
  • Can affect the outcome of legal proceedings.

Key takeaways

Frequently asked questions

It means that one witness is not sufficient to support a claim in legal contexts.