As if a killer flu, killer zombies and the threat of a killer Governor roaming in the wind wasn't enough, now The Walking Dead's rag-tag group of survivors are facing the threat of an actual killer inside the prison walls.
The fourth season kicked off with a mysterious flu claiming one of the Woodbury transplants. But when Karen Karen (Melissa Ponzio) and another guy (let's just call him Red Shirt, shall we?) also died, it became clear the flu wasn't the cause. Instead, Tyreese (Chad Coleman) discovered their dead and burned bodies in the prison yard.
Exclusive Walking Dead First Look: Is the prison no longer safe?
So, who killed them? "There...
The Walking Dead has promoted Chad Coleman, Sonequa Martin-Green and Emily Kinney to series regular for Season 4, TVGuide.com has learned.
Coleman and Green joined the show during Season 3 as fan-favorite comic book character Tyreese and...