Steve Arnott is a fictional character from the popular television series Line of Duty. He is portrayed as a dedicated and skilled police officer working in the Anti-Corruption Unit. Throughout the series, Arnott is known for his strong moral compass and commitment to uncovering corruption within the police force. In addition to his role in Line of Duty, Steve Arnott is characterized by his complex relationships with colleagues and the challenges he faces in his investigations. His character often grapples with the ethical dilemmas of policing, making him a compelling figure in the narrative.