The Machine followed them both. It was imperative that he go along, if John was to lead the fight in the future. It was important that he survived. He had read up on this particular Apocalypse. It could create a world similar to the one Skynet had envisioned for its kind. Devoid of all human life.
"Affirmative," he said in reply to Buffy's inquiry, as he cocked the Uzi in his hand. "Series 850, Living tissue over a metal endoskeleton. Manufactured in Skynet Complex on June 5, 2031. Reprogrammed by Katherine Brewster on July 12, 2032." He paused. "What will be the first location for us to search?"