About Us It’s important not to take on the legal system alone. You need a law firm you can trust when it matters most. We handle each case with open ears and will give you an honest assessment. You will never be blindsided. Together we will work through all your options and determine what is best. We have the experience and knowledge you need to tackle any case, no matter how big or small. Serving Southern Illinois in Family Law, Divorce, Adoption, Custody, Criminal Law, Traffic, DUI, Personal Injury, Real Estate Law Cases. If you need a lawyer in the Marion IL area you should start with consulting Attorney Brandon C. Mayberry. Located In Williamson County, IL.