He is based out of the firm's Union, Missouri office and is licensed to practice in Missouri and Illinois. He represents clients in all family law matters, including, divorce, legal separation, child support, child custody and other domestic relation matters. Note: The choice of a lawyer is an important decision and should not be based solely upon advertisements. Charles B. Flynn is responsible for the content. Principal place of business 120 South Central Ave, Suite 450, St. Louis (Clayton), MO 63105.