Perry universe
(Covers information from the S.D. Perry novels)

Sean Olson was a mercenary in service of the Umbrella Biohazard Countermeasure Service. During the September 1998 UBCS operation in Raccoon City, Pennsylvania, he was assigned to Squad A of Delta Platoon. He was killed in the opening hours of the mission.[1]


  1. Perry, Nemesis.
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