Welcome to Mama Justice - MW Law Firm Oxford MS office. We are located in Oxford, Tupelo, Memphis, and Ridgeland, MS. Missy Wigginton, aka Mama Justice, leads the firm with nearly 20 years of successful experience. She meets with every client personally and is well-known for giving out her cell phone number to clients in need. MW Law Firm handles cases involving car, truck, motorcycle accidents, mass torts, wrongful death claims and more. Are you looking for a personal injury attorney in Oxford MS area? Our Oxford car accident attorneys are 24/7 available to assist you. Mama Justice says she considers her clients her friends and anyone who walks through the firm’s doors will instantly feel like they’re part of a family. Free consultations.