One victim of iPhone theft used Apple's Find My feature and ended up uncovering an enormous smuggling ring of smartphone thieves.

When UK police traced a stolen iPhone, they discovered it among hundreds of others. The gang behind it was shipping the phones to China, earning about £300 per device.

“It was actually on Christmas Eve and a victim electronically tracked their stolen iPhone to a warehouse near Heathrow Airport,” Detective Inspector Mark Gavin told the BBC. “The security there was ...