Police in China have begun using sunglasses equipped with facial recognition technology to identify suspected criminals.
The glasses are connected to an internal database of suspects, meaning officers can quickly scan crowds while looking for fugitives.
But critics fear the technology will give even more power to the government.
The sunglasses have already helped police capture seven suspects, according to Chinese state media.
Police used the new equipment at a busy train station in the central city of Zhengzhou to identify the suspects.
The seven people who were apprehended are accused of crimes ranging from hit - and - runs to human trafficking.
Police also identified 26 people who were using fake IDs, the ruling communist party's People's Daily newspaper reported.
Source: BBC News
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