A character letter is designed to show support for a defendant in a criminal case. These letters have the potential to influence the court.A character letter to a judge should establish your credibility, paint a full picture of the defendant and be respectful, among other things. 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. Introduce yourself in the opening paragraph. The best character letters often begin with the writer explaining who he or she is and what he or she does. A character letter is a letter of support from people who know you to help show judges and DAs the positive sides of you. Defend a friend or family member's moral character in court. Use our Character Reference Letter for Court template to easily write your document. The first paragraph should tell the judge who you are writing to him about and how you know the defendant.