That evening a rainstorm thinned the block to a handful of umbrellas. A figure in a dark hoodie slipped along the alley and pushed at Rao’s back door. The alley camera recorded a minute and forty-two seconds of the intruder’s hands probing the latch. The front camera blinked as the intruder tried the windows. The cash drawer camera, though, had been offline—Rao had stopped after adding three feeds to keep costs down.