She was independent and single-minded, a young woman who radiated confidence.
Trudy Rigney, 31, of Broken Arrow was a senior studying geography at the University of Oklahoma. Rigney had worked her way through personal obstacles and health problems to get where she was, her faculty adviser said. She was serving an internship as an assistant with the Oklahoma Water Resources Board when the blast hit. At the time of her death, she was survived by an 11-year-old son.