Frequent, intense violence involving blood (pooled, splattered, dripping, etc.), shootings, and decomposing, half-eaten bodies. Beloved characters die, and children are threatened, injured, shot, and killed. Many tense scenes draw out suspense and fear. Survivors are injured in terrible ways that are shown at length on-screen. Characters are suddenly killed on-screen. Patients at a hospital are forced to submit to sex with officials in order to receive treatment. In later seasons, male villains rape female captives (off-screen). One season's main villains are cannibals, and body parts are shown, as is a group of people who are kept for food like cattle.