A character letter plays a dual role. A character letter is designed to show support for a defendant in a criminal case.These letters have the potential to influence the court. "Learn how to craft an effective character reference letter for court proceedings with our comprehensive guide. Do provide honest and accurate details regarding their character. A character letter to a judge should establish your credibility, paint a full picture of the defendant and be respectful, among other things. If you've been asked to write to the judge, use our sample character reference letter and fill-in-the-blank template. What's a character reference letter? There are no concrete rules for a character reference. Here is a broad guide for a referee to follow when writing a character reference letter for court.