What type of material is Giglio material?

Giglio material pertains specifically to information that may affect the credibility of a witness, particularly those who are law enforcement officers. This type of material is crucial in legal contexts, as it can include any information that could compromise the reliability or integrity of a witness's testimony. Such information may relate to prior misconduct, disciplinary actions, or other factors that could shape how a jury or judge perceives the testimony offered by that witness.

In essence, Giglio material serves as a protective measure in the justice system to ensure that all relevant facts about a witness, which could influence their credibility, are disclosed to the defense. This is vital for maintaining fairness in legal proceedings and supporting the defendant's right to a robust defense. The concept is rooted in the landmark Supreme Court case Giglio v. United States, which established the requirement for prosecutors to provide such information to the defense.

The other options do not accurately describe the nature of Giglio material. It is not simply evidence that supports the defense, nor is it a general classification of evidence. Additionally, while one could argue there are statutory requirements around disclosing certain types of evidence, Giglio material is specific in its focus on witness credibility rather than being a broad statutory requirement.