TRIGGER WARNING

Trigger Warning, the final installment in The Twin Tiers Serial Killers trilogy, follows a tense manhunt through Northeast Pennsylvania and Southeast Upstate New York as the FBI races to catch three serial killers targeting individuals based on specific triggers. The killers, all military veterans, leave a calling card at each crime scene, and their brutal, individualized murders escalate in intensity. With internal conflicts within the FBI team and mounting pressure from superiors, Special Agent in Charge faces a race against time to apprehend the elusive perpetrator before he strikes again.