Fox San Antonio reports that a woman in Selma, Texas called her daughter through the Apple Watch asking for help and explaining the situation. The call got disconnected mid-way and officers then used an emergency cellular ping to track the woman's location.

source https://gadgets.ndtv.com/wearables/news/apple-watch-helped-rescue-kidnapped-woman-us-texas-report-2357659#rss-gadgets-all