The Walking Dead: 10 Reasons We're Really Starting to Think Glenn's Dead

During the episode when the group raids the Savior compound — arguably the decision that sets this whole, twisted series of events in motion — Glenn finds a wall filled with polaroid pictures. They all show murder victims with their heads unceremoniously bashed in. It's hard to witness the moment without making a symbolic connection, especially since Glenn spends so much time looking at all the photos.