The type of evidence that is valid in investigations and court and how to ensure that your actions and statements do not contaminate evidence or prejudice investigations?

Valid evidence in investigations and court includes physical evidence, eyewitness testimony, documents, and digital data that can be reliably verified. To avoid contaminating evidence or prejudicing investigations, ensure that you handle evidence carefully, maintain a clear chain of custody, and avoid discussing the case publicly. Additionally, follow established protocols for evidence collection and documentation, and be cautious in your statements to prevent bias or assumptions that could influence the investigation.