How to Write a Character Letter for a DUI Case

A DUI conviction is one of the most common situations where a well-written character letter can genuinely make a difference. Judges have significant discretion in DUI sentencing — especially for first-time offenders — and a credible, specific letter from someone who knows the defendant well can influence whether they receive jail time, heavy fines, probation, or a lighter sentence.

This guide walks you through exactly what to write, what to avoid, and how to structure the letter for maximum impact.

Why Character Letters Matter in DUI Cases

In a DUI case, the judge already knows what happened. What they need to understand is who this person is — beyond the incident. A character letter gives them context they can't get from the court record alone: the defendant's family responsibilities, their employment history, their standing in the community, and whether this incident is truly out of character.

Federal sentencing guidelines require judges to consider the history and characteristics of the defendant. Your letter directly feeds into this legal requirement.

What to Include — Step by Step

• Introduce yourself clearly. State your name, your occupation, and how you know the defendant. Include how long you have known them. This establishes your credibility immediately.
• Acknowledge the DUI briefly. One sentence is enough. Something like: "I am fully aware of the charges [Name] is facing." Never argue innocence, criticise the legal process, or suggest the arrest was unfair.
• Give one specific example of their character. Not adjectives — a real story. Something you personally witnessed that shows who this person truly is when they're at their best.
• Mention positive steps since the incident. Has the person started counseling, enrolled in a substance awareness program, or voluntarily attended AA? Mention it. This tells the judge the incident prompted genuine reflection, not denial.
• Close with a respectful request. Thank the court for its time and make a simple, humble request for the judge's consideration. Sign with your full name and contact details.

What Absolutely Not to Write

• Do not claim the defendant "would never drink and drive" — they already did, and the judge knows it
• Do not criticise the arresting officer, the prosecution, or the legal system
• Do not make promises about the defendant's future behaviour — you cannot guarantee them
• Do not ask the judge to drop the charges or declare the person innocent
• Do not write the letter for the defendant to sign themselves

Who Should Write the Letter?

The most effective writers for a DUI case are:

• Employers or supervisors — demonstrates steady employment and responsibility
• Religious leaders or community figures — shows moral standing and community integration
• Long-term friends or family — provides the human picture the judge needs

Try to submit at least two or three letters from different kinds of relationships. Multiple perspectives from different parts of the defendant's life paint a much fuller picture than several letters all saying the same thing.

Format and Presentation

Keep it to one page. Use a clean font like Calibri or Arial at 11–12pt. Follow standard business letter format with your address at the top, the date, the court's address, a subject line, and a proper greeting. Sign it with your full name and include your phone number and email address — this allows the court to verify the letter's authenticity if needed.