The young security
Security is proprietary of the Ming dynasty military intelligence agency, formerly known as a zhu yuanzhang established "vault", later renamed "the fu a surname", governance instrument luan department, in charge of the emperor ceremonial and guards. The 15th year of hongwu (1382), cut close military government office of a surname and instrument luan company, to buy a security. As emperor of the guards of the military institutions, security main functions for "zhang straight a bodyguard, a search to find", its leaders called a security command, as generally by the emperor's close military commanders, directly responsible to the emperor. Can arrest anyone, including set herself, and not a public trial.