Dangerous serial killer who directly targets Castle, forcing him into survival mode and legal jeopardy.
Intelligence agent whose surveillance directly targets Tyson's operational patterns.
Cyber operative whose digital campaigns disrupt Tyson's operational security and funding.
Attorney whose courtroom efforts target Tyson's criminal convictions and legal immunity.
Former law enforcement connection to Tyson's criminal history, marked by unresolved past cases.
Law enforcement figure whose department historically tracked Tyson's early crimes.
Explore the full interactive character relationship map of Castle