After further exploration,

fficult because more Trigens have escaped, some of them with powerful weapons. the Trigens have begun to rebel against the mercenaries on the island, causing chaos and Kriegel has to call in his personal elite special forces to control the situation. Shortly after Jack found Valerie, he killed the mercenary commander, Richard Crowe. Clow's information indicated that Kriegel had tactical nuclear weapons on the island. Valerie further revealed that Doyle was a CIA agent who had infiltrated Kriegel's research lab as a lab technician.