Harlan Coben's Final Twist

When police find a couple murdered in their home, the investigation leads to Facebook. Detectives discover a bizarre cyberbullying conflict with a neighboring family and the covert involvement of a CIA agent driven by personal vengeance.

When Anna Mae is found stabbed in her home, detectives face a tangle of suspects and shifting motives. Each lead-casino nights, hidden debts, and even a fugitive linked to her family-seems to crack the case, until new questions upend everything.