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This article contains plot details about an upcoming episode or an extremely recent episode. Read at your own risk!
Roger Browning is an ex S.H.I.E.L.D. agent. He took intel from S.H.I.E.L.D. when it fell after the HYDRA revelation. This was intel on the only 0-8-4, data which had a level 10 classification. Later it was revealed that this was intel for the Obelisk, S.H.I.E.L.D.'s first 0-8-4. He tried to sell it to Isabelle Hartley, Lance Hunter and Idaho, thinking they were HYDRA. The sale went bad when a then-unknown third party came in, knocked out his bodyguards and killed him.