Robots are going to be used to patrol public places and catch suspects in the future. A bunch of companies are working on perfecting the technology. Take RoboCop for instance. It is a police robot in Chinese railway station that scans faces to catch suspects. It can also guide people who are lost.
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"RoboCop" in real life! Patrol robot rolls in Chinese railway station
The robot is smart enough to detect emergencies. This video from New China TV shows it in action.
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