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 plays a dual role. In most cases, you will need to file papers in court and ask a judge to expunge your conviction. This process is called a Petition for Dismissal. Discover effective character letter examples for court to expunge your criminal record in California. Learn what to say to the judge with our samples. The character reference letter for court serves the purpose of offering the Judge insights into the Defendant's moral or mental attributes. Example: "I am writing to formally request an expungement of my criminal record. In order to begin cleaning up your criminal record, you first need to know what is on your criminal record.