 Themes such as romance , rape , suicide and terror are prevalent throughout " TS @-@ 19 " . Different character developments occur throughout the episode , particularly with Shane Walsh ( Jon Bernthal ) , who writer Robert Kirkman felt that viewers would no longer identify as the show 's main antagonist . Production for " TS @-@ 19 " commenced at the Cobb Energy Performing Arts Centre , as opposed to the actual headquarters for the Centers of Disease Control and Prevention , which was impractical due to the high security of the area . 
