 He had served in World War II but stayed in Europe to help recreate the V-Battalion with Roger Aubrey and various others, leaving his wife and son, Jim Riordan, behind.Jim raised Dallas to be tough and encouraged her desire to be a police officer.Jim did not like the V-Battalion but he presumably wanted his daughter to be trained in combat so that she would be prepared if she ever accepted a role in the V-Battalion (as was her right, being a descendant of a member).