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?I am writing this letter on behalf of a former student of mine who is presently before you on criminal charges and is due to be sentenced shortly. 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. The character reference letter for court serves the purpose of offering the Judge insights into the Defendant's moral or mental attributes. 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. There's not time to read all that comes before a judge to read. 2.