Today, artificial intelligence is being used by law enforcement for facial recognition and even predictive policing. It can help solve and prevent crimes, but it's not foolproof. That's resulted in wrongful arrests and continued racial profiling in policing. Outside the U.S., so-called "safe cities" use AI and big data for "Big Brother" surveillance systems.We ask how much these technologies can curb crime, and at what cost to our freedom.This show is part of our series in collaboration with WIRED; "Know It All: 1A and WIRED's Guide to AI." Want to support 1A? Give to your local public radio station and subscribe to this podcast. Have questions? Find us on Twitter @1A.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy