Scratched Off

In "The Big One," FBI Special Agent Samuel Kerman faces a daunting challenge as he investigates a serial killer wreaking havoc in Pennsylvania state parks. With the victims showing no commonality and the murders varying in method, Kerman must decipher clues from a mysterious gray dust and the killer's cryptic messages. As the case stretches over months, the stakes escalate dramatically when the murderer targets Kerman's personal connections, putting everyone he cares about at risk.