Ananova: Police in Maryland say a man who tried to rob a store died after a customer sat on him. James Thompson was pronounced dead minutes after officers arrived at the scene. He was sat on by a six foot two man who weighed 280 pounds after he was spotted stuffing packs of cigarettes into a bag. Police say they have launched an investigation in to the death. Diane Richardson, a Prince George's County police spokeswoman, said: "Thompson said to them to back off, that he had a gun and that he had recently come out of jail and wouldn't...