Mitchell swears that however long it takes, he will kill Gordon, where he meets the G-Man in a hospital at Albuquerque, New Mexico.

The man beats him with a crowbar and leaves him to die. While exploring the facility, he comes in contact with an HEV suit-wearing man, whom he believes to be Gordon Freeman. Mitchell Shephard, the supposed brother of Adrian Shephard, was one of the Hazardous Environment Combat Unit soldiers who was in charge of killing all the scientists at Black Mesa Research Facility after the Black Mesa Incident.