Have you seen this person? The Chinese People’s Liberation Army (PLA) is building artificial intelligence that can answer such a question.

Despite privacy concerns over CCTV, the task of finding specific individuals in captured footage, or pinpointing people caught on camera in different places, is a tough one . There’s no telling how differently someone may appear, or behave, from one camera to another.

However, the PLA has designed a system that seems to be able to track people across different sources of CCTV footage with around …