. >> narrator: the former engineer from xinjiang said the system is calledhe integrated joint operations platform, or a.i., the system tries to identify behavior the government considers threatening. >> (engineer): ♪ >> it's an environment where cutting-edge chinese tech companies can demonstrate the capacities of their a.i.-driven systems to control a population. >> we should strengthen communication with relevant countries and attract more countries and regions... >> narrator: the chinese government would not answer questions about the integrated joint operations platform; neither would anyone from leon. as for hikvision, it told us it's not involved in the operation ofts equipment, but "takes its responsibility to protect human rights seriously" and has hired an exper ensure human-rights compliance. >> to participate in... >> narrator: there's an expanding market for this type of a.i. surveillance technologyo t just in china, but around the world. in li's meeting with leon executes, it's clear they're looking to take advantage of this. le >> ( executive 2): >> (leon executive 1): >> (engineer)