In the long-awaited follow-up to the #1 bestselling thriller INVISIBLE ... the perfect murder always looks like an accident. FBI agent Emmy Dockery is absolutely relentless. She's young and driven, and her unique skill at seeing connections others miss has brought her an impressive string of arrests. But a shocking new case-unfolding across the country-has left her utterly baffled. The victims all appear to have died by accident, and have seemingly...