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Index/Topics/Evidence Rules

Evidence Rules

The rules governing the admissibility of evidence in defamation suits, including relevance, authentication, and privilege.

Fact-Checks

3 results
Jan 28, 2026

What standards of evidence do courts require to link a specific social media account or post to a criminal defendant?

to meet the same foundational rules as other documentary evidence: authentication (showing the account or post is what the proponent claims), relevance to a material fact, and admissibility against he...

Jan 6, 2026

What forensic voice-analysis methods were used in school harassment investigations in 2007 and how have courts treated spectrographic evidence?

In 2007 school harassment investigations that involved voice evidence relied on a mix of forensic-voice comparison techniques—chiefly the auditory-spectrographic (listening plus spectrogram) approach ...

Jan 5, 2026

What specific documents (birth certificates, medical records) are admissible in U.S. defamation trials to prove biological sex or identity?

Documentary and testimonial proof of identity and sex are routinely litigated in U.S. defamation suits: courts admit evidence that is relevant to identification and falsity, subject to the ordinary ru...

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