Lindsay sat alone in the dim light of her apartment, laptop open on the coffee table. The screen glowed with old social media posts, family photos, and public records she had spent hours digging through. It hadn’t taken long to find what she needed.

Andrea’s grandmother.

The old woman lived in a quiet suburb outside the city. Andrea visited her every other weekend, posted loving messages about her on private accounts, and had once written a long caption about how her grandmother was the only family she had left after her mother’s death. Lindsay stared at a photo of the two of them hugging, Andrea’s face full of genuine love...