Al Qaeda claims it killed an American in Yemen

03/19/12: CNN reports that gunmen shot dead an American teacher in the Yemeni province of Taiz on Sunday, two defense ministry officials said. Al Qaeda in the Arabian Peninsula -- the terror network's affiliate in Yemen -- claimed responsibility for the killing. In a text message sent to Yemeni media outlets, the group said the victim was spreading Christianity to the Yemeni people, calling him one of the biggest missionaries in the country.