A schoolteacher initially trapped in a pragmatic marriage, whose partnership with Leo evolves as they face challenges together. Her intelligence and courage significantly aid their mutual quest for justice.

A serial killer driven by a complex past, whose actions propel the story's central investigation. His character embodies the impact of historical and personal trauma.

Leo’s rival and the novel's secondary antagonist, marked by his ruthless ambition and loyalty to the corrupt system. His actions present significant obstacles to Leo’s investigation.

A militia chief who starts as a pragmatic bureaucrat but becomes an ally in Leo's pursuit of truth. His transformation reflects his evolving sense of justice and morality.