Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Government Disinformation

The Zapruter film shows Kennedy's head being thrown back and to the left. This indicates that he was shot from the front. Most people shot from behind don't have their heads thrown back, do they? According to Posner people who think that this is evidence that Kennedy was shot from the front "don't understand the physics involved."Skip this and read Crossfire by Jim Marrs