Meiya Pico is a digital forensics company, which means that … they help police, they help investigators to find data that is hidden on devices. So what they’ve done is they’ve worked with the Public Security Bureau and others to develop a system and a device that will look for data that’s hidden on people’s devices
The website, which routinely publishes photos and video documenting human rights violations submitted by citizen journalists from inside China, cited a second source as saying that in the fall of 2018, a street leading to Wuwei Prison was blocked off for two days, and that all vehicles and pedestrians were prohibited from passing through