Explain why you feel you deserve leniency. Dear judge (name), I am writing to ask for leniency in the sentencing of my husband, because (then give all your reasons and speak only from your heart).In this article, we will discuss how to write a formal letter to a judge, along with the proper format and a sample 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. How should you start a leniency letter? The core of your letter should explain why you believe the judge should show leniency towards the defendant. The character reference letter for court serves the purpose of offering the Judge insights into the Defendant's moral or mental attributes.