chunk: During a zombie roundup mission, two of the soldiers, Miller and Johnson, are killed after a zombie escapes its harness; whereupon Miguel attempts to kill the creature, but is bitten on the arm. Sarah amputates the arm and cauterizes it to stop the spreading infection. Rhodes then calls off the experiments and demands that all captive zombies be destroyed. Sarah and Bill later discover a crude form of Dr. Logan's experimentation involving the bodies of Miller and Johnson and an audio tape in which a crazed Logan talks to his "Father" and "Mother"; horrified, both Sarah and Bill plan to leave in the helicopter immediately before someone else does.