Imposter scams are top U.S. fraud now: Con artists are using new technology to get real time information plus voice cloning and caller ID spoofing to make it even harder to tell truth from fiction.

The agency issued a consumer alert urging people to be vigilant for calls using voice clones generated by artificial intelligence. They can be used by criminals hoping to swindle people out of money.

NPR's Scott Simon remarks on the persistence of robocalls, which have taken on fresh annoyance these days with so many people working from home.