Private Kerwin was a Firethorn mercenary working for Maxwell Newbold. Kerwin was one of the mercenaries in the Firethorn convoy who guarded the nuclear missiles they stole from the Barataria. After the missiles were secured, Kerwin and Guzmán assisted Pilar Sánchez as she reconfigured the warheads, and later moved the missiles onto a truck for further transportation. He also defended the convoy when Bashir Ćawil Hanad and his soldiers tried to steal the missiles. Kerwin was later killed when he tried to prevent Jack Bauer and Abigail Harper from stealing the nukes. (Rogue)