My Profile Close jcostello25 0 following 0 followers Profile Details Usernamejcostello First NameJohn Last NameCostello Law Firm Potter Burnett Law Address16701 Melford Blvd. Suite 421 Bowie, MD 20715 “In what state are you a member of the bar?”Maryland and Washington, DC “What percentage of your practice is devoted to plaintiff’s work?”100 Social Profiles Account Details RoleSubscriber