Saw George "Bookman
About
He was introduced in the very last part of the episode of season 1 as a shrewd CIA operative, who is tasked to not only monitor Koko, but to also putting her under the agency's control under the so called "Operation Undershaft."
(Source: Otaku-streamers)
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He is the boss of Hex and R "Renato" and the nickname Saw was giving by R
