First, introduce yourself and explain your relationship to your boyfriend and how long you've been together. 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. This letter of reference is for Jane Doe who is seeking expungement of a misdemeanor larceny charge. Sample Format for a Character Letter. If you have been asked to write a character letter, this simple template may be a useful guide. To expunge an arrest record where no case was filed, click here. To expunge a Superior Court criminal court case that was filed in Juvenile Court, click here. Court Forms and Instructions. Completing the Forms.