AI-Assisted Fake Kidnapping

"'I've got your daughter': Mom warns of terrifying AI voice cloning scam that faked kidnapping" 

In this case, the mother was able to separately confirm her daughter was ok before paying any ransom.  

The development of this technology adds more immediacy for people to find ways to authenticate that any call supposedly from a loved one or friend is truly from that person, especially in an apparent crisis. (Code word, shared private memory, etc.?)