Alen Zheng, a US citizen, allegedly planted device that went undiscovered for a week at MacDill air force base in FloridaA man who allegedly planted a bomb that went undiscovered for a week in the visitors center of the Florida headquarters of US Central Command, which oversees the ongoing war in Ir an, remained at large on Friday after fleeing to China.Authorities charged Alen Zheng and his sister Ann Mary Zheng, both US citizens in separate indictments this week for their alleged role in planting the explosive device at MacDill air force base. Ann Mary Zheng was arrested in the US after a short trip to China, and was arraigned on Thursday in a federal court in Florida. Continue reading... ...read more read less