She Bought This Ring at a Thrift Store — Then An Expert Discovers This

Tracing the signal

“In a way,” he said, “but I recorded the transmission path before jamming it. With some luck, we can trace its destination—or at least the next relay point.” He brought up a digital map and overlaid the data. A red dot blinked in a nearby part of town. “It’s bouncing through a tower just five blocks from here,” he said. “That’s either the source… or a relay.”