Killer Within

"Killer Within" is the fourth episode of Season 3 of The Walking Dead (TV Series). It will originally air on November 4, 2012 at 9/8c on AMC.

Synopsis
The group is severed, placing lives in jeopardy; In Woodbury, Merle Dixon has a request for The Governor.

Co-Stars

 * Vincent Ward as Oscar

Trivia

 * It has been speculated by many fans that one of the prison inmates will kill a member of Rick's group, and this episode will focus on the investigation of the murder.
 * It has been confirmed that there will be a death in the group.