Murder is an effective way to gain power over others. Kill its leaders, and a country can be yours. Kill the people or ruthlessly intimidate them, and you can control their territory. Kill the journalists--or the story--and the truth of what is happening can be buried. Blood on the Lens chronicles filmmaker Jim Burroughs's eighteen trips to Afghanistan since 1986, the bloody and deceit-ridden period that saw the war against the Soviets, the cessation of American support, the civil war, the rise of the Taliban, the hijacking of the country by al Qaeda, the U.S.-led invasion, and the...