Synopsis

The inquiry into the lingering effects of the Iraq War deepened as David considered a theory: a failure in the water purification system. Meanwhile, in Mexico, Jill and Carlos discerned a link between a genetically engineered plant designed to detect land mines and the recent surge in hemophilia cases. When that line of reasoning proved unproductive, David traveled to Mexico to join them, investigating the unsettling possibility that mosquitoes bred for malaria eradication might be the cause. El