Royce was one of the mercenaries in the Firethorn convoy who guarded the nuclear missiles they stole from the Barataria. He also defended the convoy when Bashir Ćawil Hanad and his soldiers tried to steal the missiles. Royce was later killed when he tried to prevent Jack Bauer and Abigail Harper from stealing the nukes. (Rogue)
It is never specified when Royce died or who killed him. However, none of Newbold's troops are stated to have retreated at any point in the novel. Royce was either killed when Bauer and Harper stormed Berbera International Airport, or he was gunned down alongside Newbold and his remaining soldiers at Sullah's garage.
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