India, Oct. 8 -- The man behind the counter didn't think much of it when the customer handed over the faulty device. Cracked screen. Corrupted files. Another job in a long line of everyday repairs. He logged it, placed it on the workbench, and went about his day.

But when he powered it on, the device refused to behave like a typical glitchy phone. There were hidden folders. Locked files. And then, behind a few layers of encryption, a series of videos began to surface. What he saw next wasn't just unexpected - it was horrifying.

The grainy clips showed a young girl, visibly terrified. A man's face flashed for a split second at the end of one of the recordings - enough to set in motion a chain of events that would expose a predator living...