An investigation reveals that US tech firms helped build China's surveillance system. Companies sold technology to Chinese police and government. This aided human rights abuses, including in Xinjiang.

An AP investigation reveals that U.S. technology companies to a large degree designed and built China’s surveillance state, ...

An AP investigation reveals that U.S. technology companies to a large degree designed and built China’s surveillance state, ...

BEIJING — The body camera hung from the top of the IV drip, recording the slightest twitch made by Yang Guoliang as he lay ...