The shambling Gibson beats people's heads in, gets his own head beaten in, beats some more people's heads in, and drives away.
In one scene he crushes his own head and pulls out his own brains.
mnli hypothesis: In one scene he crushes his own head and pulls out his own brains. premise: The shambling Gibson beats people's heads in, gets his own head beaten in, beats some more people's heads in, and drives away.