This article can help you craft a wellwritten expungement letter if you follow through with the samples given. 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 background on criminal records in north carolina and why it's functions are important. Sample Format for a Character Letter. If you have been asked to write a character letter, this simple template may be a useful guide. If they are general reference letters about how good a person you are, the court will not need them. Second Paragraph: Explain why you are writing the letter. If you have that agreement in writing, attach a copy for their reference. This may include court records, character references, and more.