Every Friday at 6 p.m. my daughter called me without fail, and the one week my phone stayed silent I drove to her house and heard a sound from upstairs that turned our quiet Tennessee life into something I still can’t fully talk about

”

The breakthrough came from an unexpected source.

Megan Parker was twenty‑seven years old and Chelsea’s younger sister. I learned about her later, after everything was already in motion. Carter filled me in once the arrest was made.

Megan had called the police tip line, her voice shaking.

“I love my sister,” she’d told the detective who answered. “But continue reading …