Credit: CC0 Public Domain

Facial recognition software developed by China-based Dahua, one of the world’s largest manufacturers of video surveillance technology, purports to detect the race of individuals caught on camera and offers to alert police clients when it identifies members of the Turkic ethnic group Uighurs.

Dahua, though among Chinese companies sanctioned by the U.S. government, has a growing presence in the country with sales and support offices in Irvine and Houston. Despite restrictions on its business within the country, the company struck a deal, reportedly valued at $10 million, with Amazon for 1,500 thermal cameras and there are 80 public contracts to purchase the company’s equipment in California alone.

Screenshots of Dahua platforms, provided to The Times by video surveillance research organization IPVM, raise troubling privacy concerns. A user guide for a service targeted at law enforcement clients indicates the company’s technology can send a warning when it