Mia came home the afternoon after the arrests. She had been at her friend's house through the whole thing β the feed, the attic, the surrender β and I had delayed telling her everything until I could do it in person, face to face, in our own kitchen. She sat at the table and listened without interrupting, which is not like Mia. When I got to the part about the photographs in the equipment case, she asked one question.
"Did they watch Mom?"
The question broke me. Carla had been alive when the solar system was installed. She spent her final year going through cancer treatment. Technicians came to our house several times during that year, claiming the inverter needed updates. I let them in because I was working nights and Carla was sick and the company said it was routine.
The archive behind Mia's closet β the hidden cabinet investigators found β held footage from our hallway. Carla walking slowly toward the kitchen. Carla leaning against the wall when she got tired. Carla and Mia leaving for hospital appointments.
Nothing intimate. Nothing anyone would call dramatic. But those moments belonged to us. Someone had stored them beside burglary schedules and access logs, filed like inventory.
I requested every recording involving my family. The investigators warned me there were hundreds of hours. I didn't watch them all. Mia and I reviewed enough to identify the dates, and then we asked the court to seal the private footage permanently. One recording showed Travis entering Mia's room while we were at the hospital. He opened the closet wall. Installed a drive. Then he looked through her desk drawer. He later claimed he was searching for a cable. The jury didn't believe him.
After the trial, Mia replaced the closet wall herself. She tore out the panel the crew had cut open, bought drywall, mudded it, sanded it, and painted it yellow. Not because yellow had a special meaning. Because it was the color she wanted.
"For years, companies made invisible decisions inside our home," she said, standing back to look at it. "Now we decided what the wall became."
That simple choice mattered more than she knew.
Grace's vandalism charges were dismissed. The prosecutor concluded she had acted to stop an ongoing invasion of privacy and to create a documented police response β and that without the paint, the company would have sent one technician to quietly remove the evidence and call the complaint a misunderstanding. But the dismissal came with a lecture I was present for: the tar had damaged equipment, the cut cables had created an electrical risk, and climbing onto my roof at seventy-one had endangered her. Her actions were understandable. They were not a model anyone wanted repeated.
At a community meeting a month later, a resident stood up and called Grace a hero. She corrected him from her seat.
"I was a desperate woman with a ladder," she said. People laughed. She didn't. "I had evidence. I also had reasons to believe the company would remove it before police arrived. I chose property damage because I thought no one would listen to an old woman talking about wireless signals."
She looked toward Officer Delgado and Simone, who were both there.
"The lesson should not be that every frightened person must climb a roof," she said. "The lesson should be that complaints need somewhere to go before desperation becomes the only way to create a record."
Cedar Falls created an independent technology complaint office that year. Solar customers could request equipment scans. Smart-home access logs became available directly to residents. Energy companies were prohibited from adding contract pages after installation without separate verified consent. Technicians entering homes required time-stamped owner approval. Hidden cameras disguised as energy equipment became a specific criminal offense under new state legislation.
The reforms sounded technical. That was appropriate. Sentinel had hidden its crimes inside technology most residents didn't understand. The safeguards needed to live inside the same details.
The first year, the complaint office logged more than two hundred calls. Most of them were nothing β faulty thermostats, routers acting strange, people being careful after what happened on our street. But a handful weren't nothing. Two turned into real investigations. Simone told me the office was the cheapest thing the city had ever built and the most useful.
Mia was in her senior year by then. She applied to architecture programs, and in her application essay she wrote about designing homes where the wiring and the access systems stayed visible to the people who lived behind them. She got into three schools. When she told Grace, Grace said, "Good. Make them honest houses." Mia said, "That's the plan."
Grace kept the scanner in her kitchen drawer after that. She said you never knew when you'd need it.