In the climax of the film, the protagonist, FBI agent Jennifer Marsh (played by Diane Lane), confronts the killer who has been orchestrating a series of murders broadcast live on the internet.
Throughout the movie, Jennifer has been investigating a sadistic criminal who streams live videos of his victims being tortured and killed on a website called “KillWithMe.com.” Despite her efforts to shut down the website and track down the perpetrator, the killer proves to be technologically savvy and always manages to stay one step ahead of the authorities.
In the final moments of the film, Jennifer finally tracks down the location of the killer’s lair, thanks to the help of her colleague, Detective Eric Box (played by Billy Burke). She arrives at the scene just in time to confront the killer, who is revealed to be a disturbed computer technician named Owen Reilly (played by Joseph Cross).
As Jennifer attempts to apprehend Owen, he reveals that he has rigged his own body with the same technology used to torture his victims, making himself the final victim of his own twisted game. Despite Jennifer’s attempts to save him, Owen activates the contraption and succumbs to his own gruesome fate, dying in front of her eyes.
With Owen’s death, the reign of terror comes to an end, and Jennifer is finally able to shut down the website and put an end to the killings. The film ends with Jennifer reflecting on the horrors she has witnessed and the toll it has taken on her, as she vows to continue fighting against those who use technology for evil purposes.
Overall, the ending of “Untraceable” is a tense and thrilling conclusion to the story, as the protagonist confronts the killer and puts an end to his reign of terror. Through its exploration of the dangers of internet technology and the dark side of human nature, the film offers audiences a chilling and thought-provoking experience.