For the first week, the cameras captured ordinary things. A bird landed on the coping and stared at its reflection. Rosa arrived on Tuesday, tested the water, and checked the pump. I crossed the patio carrying a basket of laundry because the sun had finally returned and I had decided to dry towels outside. A neighborhood cat wandered along the fence, realized the coping offered a poor route around the water, and retreated with the wounded dignity of an animal unwilling to admit a miscalculation.
Then, at 3:17 on a Thursday afternoon, my phone sent a motion alert while I was reviewing an audit report at work. I opened the clip and saw Sandra moving through the fence gap with Henry following behind her. Olivia appeared a few seconds later, carrying a towel. Sandra looked toward my back door and waited, apparently checking whether I was home. Then she led the children to the pool, set their belongings on a chair, and began helping them into the water.
I watched the clip once. Then I watched it again, because the most unsettling aspect was how ordinary she made it look. There was no furtive rush, no sense that she expected consequences. She moved around my patio with the relaxed familiarity of somebody arriving at a place she considered available to her. She even retrieved a float from my storage rack and placed it in the shallow end before sitting beneath my umbrella.
I saved the original clip and the associated metadata in a dated folder. I also made a note of the event in a document I had begun that morning: July access incident number one, although the date was actually the end of June. I later corrected the heading and added a separate chronology for earlier observations, carefully distinguishing events I had personally witnessed from events supported by video. It was the beginning of the documentation file that would eventually occupy much of the surface of my kitchen table.
I called Sandra that evening. She answered on the third ring, sounding cheerful. I asked whether she had used the pool during the afternoon. She paused briefly, then said the children had needed a swim because school vacation had begun and the weather was unusually hot. I told her I had expressly withdrawn permission in April and that they were not to enter my backyard again. She responded that she thought I had been upset when we spoke in April and that she had assumed I would calm down once the season started.
"This isn't about my mood," I said. "I told you no. You came in anyway."
"Rachel, they're children. They aren't criminals."
"I didn't call your children criminals. I'm telling you not to bring them onto my property without permission."
She made a weary sound, as though I were demanding an unreasonable favor. "I really can't believe we're having this conversation about a swimming pool."
"Neither can I," I told her.