Police Lieutenant conducting a personal crusade against gangster Mr. Brown. He investigates Brown's criminal network, becomes dangerously obsessed with Brown's girlfriend Susan Lowell, and tracks down Brown's hidden wife, Alicia. After surviving a kidnapping and torture, he coordinates with Alicia and Susan to dismantle Brown's operations, culminating in an airport shootout where he arrests Brown.
Diamond's personal crusade is deeply intertwined with his dangerous obsession and unrequited love for Susan.
The central antagonistic force driving the narrative forward.
Diamond's established romantic relationship outside his obsession with Susan.
Diamond extracts crucial information from a surviving gangster to advance his case.
Fante directly executes Brown's violent orders against Diamond's circle.
Explore the full interactive character relationship map of The Big Combo