Ronald Sandoval was an FBI agent assigned as attache to the Alliance Joint Police Agency led by Michael Garibaldi. He was an "Implant", meaning he was implanted with a CVI. Sandoval was married to DeeDee Sandoval, with whom he was very much in love, but after he became an Implant he began to think of himself as vastly superior to her and she no longer related to him. To protect his secrets, Sandoval had DeeDee committed to a sanitarium