They represent separate law-enforcement operations pursuing the same killings.
Peter Keyes is introduced as the leader of a task force investigating the cartels, while Harrigan leads the local police response.
Keyes attempts to capture the Predator, which kills him during the trap.
Keyes reveals that the creature is an extraterrestrial hunter and leads a trap designed to capture it for study.
Explore the full interactive character relationship map of Predator 2