"Learn how to craft an effective character reference letter for court proceedings with our comprehensive guide. A character letter to a judge should establish your credibility, paint a full picture of the defendant and be respectful, among other things.Introduce yourself in the opening paragraph. What parents and witnesses need to know about character reference letters to the court for child custody. Includes a downloadable sample and template. Learn how character letters can help you get charges dismissed or reduced, get a more lenient sentence, or get treatment instead of jail. First, introduce yourself and explain your relationship to your boyfriend and how long you've been together. I agree with Ms. Strudas, there is no such affidavit. A letter will stand out if the author knows the defendant and the letter is credible and personal. As with any formal letter, your letter needs to begin with the correct heading.