A representative from New York City's technology office struggled to answer questions from City Council members about how city agencies use of biometric data and AI.
A woman boarding a SAS flight to Copenhagen goes through facial recognition verification system VeriScan at Dulles International Airport in Dulles, Virginia, on September 6, 2018. (Jim Watson / AFP via Getty Images)
A letter signed by 12 senators urges DHS to investigate the TSA's use of facial recognition before it expands the technology's use to many additional airports.