The fourth horseman

Summary: "Pakistan is torn apart by riots in the streets. The CIA sends Pakistan expert David Haaris to meet with leaders of the military intelligence apparatus which all but controls the country, to try to head off what appears to be the disintegration of the government. But Haaris has other ideas. After disguising himself, he beheads the president in front of a mob of ten thousand people and declares himself the new Messiah. He says he will bring peace and stability to the country by allying with the Taliban. At that moment, miles to the south on the border with Afghanistan, one of four stolen nuclear weapons is detonated. Pakistan has become the most dangerous nation in the world. Legendary former director of the CIA Kirk McGarvey is given a mission--assassinate the Messiah, code name: The Fourth Horseman"--