User blog comment:Fizzywizzy/BO DLC 2 revealed/@comment-2138827-20110407151138/@comment-2192318-20110408192358

The story between "Five" and Kino Der Toten is that Samantha Maxis mind-controlled Yuri Kravcheski into making/finishing the Gersch Device. He did, and Samantha used the Gersch Device to unleash zombies upon Ascension and the Pentagon.