Horrigan is a fictional character from the 1992 film "In the Line of Fire," portrayed by actor Clint Eastwood. He is a seasoned Secret Service agent tasked with protecting the President of the United States. Throughout the film, Horrigan grapples with his past failures and the challenges of his job, showcasing his dedication and resilience. The plot revolves around Horrigan's pursuit of a skilled assassin, played by John Malkovich, who threatens the President's life. As the story unfolds, Horrigan must confront both external dangers and his own inner demons, highlighting themes of duty, sacrifice, and redemption.