- "We know who did it. Goddamn Reapers. They're in these woods hunting us one by one."
- —Gus about who attacked the rendezvous site.[src]
Nothing is known about Gus' life prior to or as the outbreak began.
Gus and Ainsley, two members of Maggie's group are introduced to Daryl, who briefly held Maya hostage. Maya explains that the place they were staying in was set on fire, and that Jen and Billy didn't make it out, while Matty was killed by something in the woods. She didn't see who did it, but Gus is certain the Reapers are responsible. Maggie asks about Hershel, to which Ainsley says that he was found by Kim, but she hasn't seen either one since. The conversation is cut short when Gus is abruptly shot in the throat with a silenced weapon.
This list shows the victims Gus has killed:
- Possibly numerous counts of zombies
- Killed By
Gus is shot through the neck by Montanio.