Having culled some of the Tau'ri of the Atlantis Expedition along with some of the Athosians, Colonel Marshall Sumner was brought before the Wraith Keeper, who learned of Earth, with a Human population well into the billions. Exhilarated at the prospect of a new feeding ground, the Keeper interrogated Sumner, forcing Major John Sheppard to kill his commander, but Sheppard himself was captured. While questioning him, the Keeper discovered the Atlantean life signs detector. Lieutenant Aiden Ford was able to kill the Keeper's Wraith warriors, allowing Sheppard to kill the Wraith Keeper by stabbing her with a Wraith rifle. However, as the Keeper died, the rest of the Wraith awoke fifty years prematurely—and well aware that there was a rich, new feeding ground available, and the only way to get