Character Reference Letters and Letters of Recommendation are useful in defending an Orange County DUI case, as prosecutors and judges use them in court. A character letter is designed to show support for a defendant in a criminal case.These letters have the potential to influence the court. A character letter to a judge should establish your credibility, paint a full picture of the defendant and be respectful, among other things. Use this template to create a powerful character reference letter for court. Browse sample formats and examples for inspiration. 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. These are commonly used during a sentencing hearing. What parents and witnesses need to know about character reference letters to the court for child custody.