Alec Solari is from the famous Solari Crime Organization back on Reach. He left to join the UNSC but was transferred to ONI for his skills and knowledge of the crimeworld. He was then given some heavy body modifications and his "humanity" was taken from him, he became a very cold and calculating soldier, but he did his job well, and asked no questions. Many Marines became very uneasy with him onboard. He is nicknamed "Satan". His codename is Carter-10 not to be confused with the spartan.