The 2016 film Patriots Day is a docudrama thriller that chronicles the 2013 Boston Marathon bombing and the subsequent city-wide manhunt for the perpetrators. The narrative centers on the perspective of Boston Police Sergeant Tommy Saunders, a composite character, as he and his fellow law enforcement officers, first responders, and federal investigators race against time to identify and apprehend the Tsarnaev brothers. The film dramatizes the terrorist attack at the marathon's finish line, the immediate and chaotic aftermath, and the intensive four-day investigation that followed. The film's structure integrates the fictionalized protagonist's journey with the factual accounts and perspectives of real individuals involved in the events. It meticulously reconstructs key moments of the manhunt, including the FBI's analysis of surveillance footage to identify the suspects, the murder of MIT Police Officer Sean Collier, the carjacking of Dun Meng, and the violent shootout in Watertown. Director Peter Berg employs a fast-paced, procedural style, often intercutting dramatic reenactments with actual archival news footage and surveillance video to heighten the sense of authenticity and urgency. This approach provides a multi-faceted view of the crisis, showcasing the coordinated efforts of local and federal agencies as well as the experiences of civilian victims and heroes. ...