Character Relationship Map: To Catch a Killer

Characters

• Eleanor Falco (played by Shailene Woodley) — protagonist

  Eleanor Falco is a Baltimore police officer whose insight distinguishes the shooter’s behavior from simple madness. Geoffrey Lammark recruits her as his liaison to local police, and she becomes his in...

• Geoffrey Lammark (played by Ben Mendelsohn) — protagonist

  Geoffrey Lammark is the FBI agent leading the investigation into the mass shootings. Impressed by Eleanor Falco’s reasoning, he recruits her and works with her to identify Dean Possey. After instituti...

• MacKenzie (played by Jovan Adepo) — supporting

  MacKenzie is Geoffrey Lammark’s second-in-command within the FBI investigation. After Dean Possey begins shooting at responding deputies, MacKenzie arrives with an FBI team to support the final confro...

• Dean Possey (played by Ralph Ineson) — supporting

  Dean Possey is the trained marksman responsible for the Baltimore shootings, mall attack, explosives, and later gun battles with police. His history of slaughterhouse work and mistreatment helps expla...

• Marquand (played by Jason Cavalier) — supporting

  Marquand is a member of Geoffrey Lammark’s investigative team who is seriously injured during the armed operation at the corner store. The incident follows the mistaken identification of a caller as t...

Canonical Relationships

Family, romantic, and professional connections based on plot evidence.

• Geoffrey Lammark → Marquand (Professional Team Leader) — Marquand works under Lammark's investigative command.

  Marquand is identified as one of Lammark's team members during the failed arrest operation.

• Geoffrey Lammark → MacKenzie (Power Commander) — MacKenzie is identified as Lammark's second-in-command.

  The final response includes an FBI team led by Lammark's second-in-command, MacKenzie.

• Geoffrey Lammark → Eleanor Falco (Professional Recruiter) — Lammark brings Eleanor into the investigation because he recognizes the value of her reasoning.

  After hearing Eleanor challenge the assumption that the shooter was simply crazy, Lammark recruits her as his personal liaison to the Baltimore Police...

Story Dynamics

Alliances, conflicts, and narrative interactions that evolve throughout the story.

• Dean Possey → Marquand (Conflict Indirect Adversary) — Dean's investigation causes operational danger to Marquand, although Dean is not present there.

  Marquand is seriously injured during the failed corner-store operation, which is triggered by a false identification of the caller as Dean.

• Dean Possey → MacKenzie (Conflict Armed Pursuer) — MacKenzie participates in the force confronting Dean.

  MacKenzie arrives with an FBI team during the final siege while Dean shoots at the responding deputies and later faces the officers outside.

• Marquand → Eleanor Falco (Alliance Investigative Teammate) — Both characters belong to the investigation team assembled around Lammark.

  Eleanor has joined Lammark's investigative team, while Marquand is identified as another member of that team during the arrest operation.

• Eleanor Falco → Dean Possey (Narrative Primary Pursuer) — Eleanor becomes the investigator most closely connected to Dean's capture.

  Eleanor follows the clues from the shootings to Lang, the slaughterhouse, Dean's parents, and the final confrontation.

• Geoffrey Lammark → Dean Possey (Conflict Investigative Opponent) — Lammark pursues Dean and is ultimately killed by him.

  Lammark helps trace Dean through Lang, the slaughterhouse history, and Dean's parents' home before Dean shoots him.

Story Analysis

An unconventional investigator follows a concealed trail toward a highly trained mass shooter while confronting institutional failure and personal loss.

Plot Progression

1. Fireworks Over Baltimore — A coordinated sniper attack kills twenty-nine people during New Year's Eve celebrations. Lammark notices Eleanor's unconventional interpretation and recruits her into the investigation.
2. The Mall Erupts — The investigation establishes that the shooter is disciplined and difficult to trace. Dean's attempt to obtain food, bathing facilities, and clothing ends in a devastating mall attack after security c...
3. The False Trail — A television caller appears to offer a breakthrough, but the corner-store operation becomes another disaster and seriously injures Marquand. The Bureau fires Lammark after the caller is exposed as a f...
4. Tracing Dean Possey — Eleanor reexamines earlier interviews and, with Lammark, obtains the name Dean Possey from Lang and a slaughterhouse witness. The clues connect Dean to a violent past and his rural family home.
5. The Final Siege — Dean kills Lammark and rejects his mother's final appeal. After restraining Eleanor and attacking the responding officers, Dean is subdued and killed by police gunfire.