John Wagner, the Customs & Border Protection's (CBP) deputy executive assistant commissioner of field operations, outlined this week on how the agency uses facial recognition and biometrics technologies to identify people coming into the U.S. At the House Homeland Security's second hearing, Wagner spoke on on federal government use of these technologies and the potential privacy and discrimination concerns that could arise.Wagner reaffirmed the benefits of using facial biometrics and expanding public-private partnerships to not only meet the biometric exit mandate but streamline travel and protect the privacy of all travelers.The hearing came after a National Institute of Standards and Technology (NIST) study and report that found racial bias with facial recognition technology.To see the full video of his testimony, click here.