During these experts visits the security systems confining the dinosaurs break down due to the actions of a disgruntled employee and the dinosaurs escape from their enclosures. A number of the experts are killed and the rest have several near misses. In the end the experts escape, Hammond is killed by his own creations and the Costa Rican government uses [[nerve gas]] to destroy the dinosaurs and cover up the incident. In the end of the book it is implied that some of the dinosaurs survived and escaped to the mainland. | During these experts visits the security systems confining the dinosaurs break down due to the actions of a disgruntled employee and the dinosaurs escape from their enclosures. A number of the experts are killed and the rest have several near misses. In the end the experts escape, Hammond is killed by his own creations and the Costa Rican government uses [[nerve gas]] to destroy the dinosaurs and cover up the incident. In the end of the book it is implied that some of the dinosaurs survived and escaped to the mainland. |