The character reference letter for court serves the purpose of offering the Judge insights into the Defendant's moral or mental attributes. The first paragraph should tell the judge who you are writing to him about and how you know the defendant.You'd also want to say how long you have known her. 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? Introduce yourself in the opening paragraph. A character reference letter for court child custody is a legal document serving as the recommendation for a parent who wishes to become a guardian. A character letter to a judge should establish your credibility, paint a full picture of the defendant and be respectful, among other things. The structure of the letter; What to include in the letter and what to omit; A sample character reference letter; Specific tips for writing it. A character letter is designed to show support for a defendant in a criminal case.