China has detained a military group worker suspected of spying for the Central Investigation Agency (CIA) of the United States, said national security authorities on Friday. The 52-year-old Zeng was working in a military industrial group and was accused of providing military secrets to the CIA in exchange for large sums of money.China has detained a military group worker suspected of spying for the Central Investigation Agency (CIA) of the United States, said national security authorities on Friday. The 52-year-old Zeng was working in a military industrial group and was accused of providing military secrets to the CIA in exchange for large sums of money.