Here are some sample witness letters for friends, relatives, and former employers to support a disability claim. Dear Judge Doe: I am writing this letter on behalf of a family member mine who is presently before you on criminal charges and is due to be sentenced shortly.Writing a character letter for a judge can be a daunting task. Here are nine essential tips for writing an effective sentencing letter. Step 2: Fill out your forms completely. Resources and information to help you navigate your court case, including step-by-step guides for following procedures and help with understanding your options. In this article, we will discuss how to write a formal letter to a judge, along with the proper format and a sample letter. How Do I File a Complaint? Complaints must be in writing. You can use the sample letter that appears below to contact the court and tell the judge you want to vote.