The primary antagonist, a supposedly mute hitman hired by Jay Moore. He disregards orders to merely intimidate Maggie 1, killing her instead. He later murders Maggie 2, frames Duane Rich, kills Deputy Reddy and Jay, and is ultimately destroyed in a car crash orchestrated by Rita.
Jay repeatedly employs Kosco for criminal assignments.
Jay asks Kosco to frighten Maggie and later hires him to kill another person and stage a suicide.
Kosco's disobedience creates the central murder investigation.
Kosco appears in Maggie's car with a gun, then kills her and burns the vehicle with her body inside.
Tommy indirectly brings Kosco into Jay's crisis.
Tommy T advises Jay to consult with Kosco after Jay reveals his problem.
Kosco murders Duane and uses him as a false culprit.
Kosco kills Duane at his residence and leaves a suicide note confessing to both Maggie Moore murders.
Explore the full interactive character relationship map of Maggie Moore(s)