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What must a witness demonstrate before testifying about a matter?
Personal opinion
Expertise in the matter
All relevant documents
Personal knowledge
The correct answer is: Personal knowledge
The correct choice is personal knowledge, as this is a fundamental requirement for any witness when testifying in a legal context. A witness must have first-hand knowledge of the facts they are testifying about, which means they need to have directly observed, experienced, or been involved in the matter at hand. This ensures the testimony is credible and reliable, as the witness can provide accurate and contextually relevant information based on their own experiences. Personal knowledge is crucial because it helps establish the basis of the witness's testimony and allows the court to assess the validity of the information being presented. For instance, if a witness claims to have seen an event, their testimony must stem from that direct observation rather than hearsay or assumption. While expertise in a matter, relevant documents, and personal opinions may support a witness's credibility or the weight of their testimony, they are not strict prerequisites for a witness who is providing testimony about their direct experiences. The emphasis is on the first-hand knowledge to ensure integrity in the judicial process.