Silent Observers

Luc slipped into the back corridor of the bar, leaving behind the noise of the main room. The door marked “Staff Only” was shut tight, but he didn’t open it. Instead, he stood against the wall and pulled a phone from his jacket pocket. The screen lit up as his fingers tapped on a custom-built app—a simple but powerful network scanner.

He activated the Wi-Fi analyzer mode. The phone detected an ope