Exclusive First Look: The Walking Dead's 'Killer Within' Revealed? Plus: Maggie Takes Aim!

With a title like “Killer Within,” you just know this Sunday’s episode of The Walking Dead is gonna be a doozy. And now TVLine can give you an exclusive sneak peek!

In the first picture below, Maggie — potty mouth presumably in check — takes aim. (Probably at walkers who’ve made it through the open prison gate that so perturbs Rick in the trailers for the episode.) In the second image… well, he’s a handsome devil, isn’t he? But is he the titular “killer within”?

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To find that out for sure, you’ll have to watch. But don’t let your uncertainty stop you from speculating in the comments below.

The Walking Dead Killer

The Walking Dead Killer