A character letter to a judge should establish your credibility, paint a full picture of the defendant and be respectful, among other things. A character letter is designed to show support for a defendant in a criminal case.These letters have the potential to influence the court. At the start of the letter, introduce yourself and explain how you know the defendant. "Learn how to craft an effective character reference letter for court proceedings with our comprehensive guide. Provide this sample letter and character letter outline to friends or relatives you ask to write a letter of support to the judge on your behalf. 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. What parents and witnesses need to know about character reference letters to the court for child custody. Includes a downloadable sample and template.