“I signed the letter asking Amazon to stop selling face recognition and related software to law enforcement,” former principal scientist at Amazon Web Services Anima Anandkumar told FRONTLINE. In this excerpt, she explains why she felt the need to do so. Subscribe on YouTube: bit.ly/1BycsJW #Amazon #FrontlinePBS #FacialRecognition This excerpt is from an interview conducted for FRONTLINE’s documentary “Amazon Empire,” which examines how founder and CEO Jeff Bezos turned Amazon into a business empire that is unprecedented in the history of American capitalism. For the full story, watch "Amazon Empire: The Rise and Reign of Jeff Bezos" starting Tuesday, Feb. 18 at 9/8c on PBS and online: to.pbs.org/2SH9uSj Instagram: www.instagram.com/frontlinepbs Twitter: twitter.com/frontlinepbs Facebook: www.facebook.com/frontline FRONTLINE is streaming more than 200 documentaries online, for free, here: to.pbs.org/37lhSw0 Funding for FRONTLINE is provided through the support of PBS viewers and by the Corporation for Public Broadcasting. Major funding for FRONTLINE is provided by the John D. and Catherine T. MacArthur Foundation and the Ford Foundation. Additional funding is provided by the Abrams Foundation, the Park Foundation, The John and Helen Glessner Family Trust, the Heising-Simons Foundation, and the FRONTLINE Journalism Fund with major support from Jon and Jo Ann Hagler on behalf of the Jon L. Hagler Foundation.