Antonio Quintero was an SD-6 agent.
Season 1[edit | edit source]
Quintero was gathering information about the Mueller Device in Taipei while working undercover inside an FTL cover station. Quintero sent information about the device to SD-6, but when it came time for him to report his intel in person, he didn't show up. Although no body was found, SD-6 assumed he had been captured or killed.