Character Reference Letters and Letters of Recommendation are useful in defending an Orange County DUI case, as prosecutors and judges use them in court. Free template for a character reference letter for a DUI charge!I am writing this character letter on behalf of Sean McDevitt who has been charged with a DUI and injury to another person. 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. You should only provide information that pertains to your letter. You should try to introduce yourself in a way that establishes credibility. A character letter is designed to show support for a defendant in a criminal case. These letters have the potential to influence the court.