Top 10 Action Movies About Unsolved Cases

Description: While the film focuses on a drug bust, the larger network and the masterminds behind it remain elusive, making it a fitting entry for this list.

Fact: The famous car chase scene was shot without permits, and the film won five Academy Awards, including Best Picture.

Description: This Dutch thriller follows a man whose girlfriend disappears at a rest stop, leading him into a psychological game with her abductor. The film's ending is famously ambiguous, leaving the case unresolved.

Fact: The film was remade in Hollywood in 1993, but the original Dutch version is often considered superior due to its chilling ambiguity. The director, George Sluizer, also directed the American remake.

Description: While the main case is solved, the film leaves many questions about Hannibal Lecter's past and future, making it a compelling addition to this list.

Fact: Jodie Foster won an Oscar for her role as Clarice Starling, and the film is one of only three films to win the "Big Five" Academy Awards.

Description: "Se7en" follows two detectives as they track a serial killer who uses the seven deadly sins as his modus operandi. The film's ending leaves many questions unanswered, making it a classic in the genre of unsolved cases.

Fact: The film's title is intentionally stylized as "Se7en" to reflect the theme of the seven deadly sins. Also, the script was originally much darker, but some scenes were cut to avoid an NC-17 rating.

Description: This film revolves around a group of criminals and the mysterious figure known as Keyser Söze, whose true identity remains a mystery, leaving the case unsolved in many ways.

Fact: The film's twist ending is one of the most famous in cinema history, and the character of Keyser Söze has become a cultural icon.

Description: A quadriplegic ex-detective and a rookie cop team up to catch a serial killer in New York City. The film's climax leaves the killer's identity and motives somewhat ambiguous.

Fact: Denzel Washington, who plays the detective, did extensive research on quadriplegia to prepare for his role. Also, the film's title refers to the killer's method of leaving clues at crime scenes.

Description: An ex-con from England travels to Los Angeles to investigate his daughter's death, uncovering a web of deceit and leaving many questions unanswered.

Fact: The film's non-linear narrative style was inspired by the British gangster film "Get Carter." Also, Steven Soderbergh directed and edited the film under pseudonyms.

Description: Sean Penn stars as a retired detective who promises a mother he will find her daughter's killer, leading him down a rabbit hole of obsession and an unsolved case that consumes his life.

Fact: The film is based on a novel by Friedrich Dürrenmatt, and Jack Nicholson, who plays the detective, was also a producer on the film.

Description: David Fincher's "Zodiac" is a meticulous exploration of the hunt for the infamous Zodiac Killer, whose identity remains unknown to this day. The film captures the frustration and obsession of those trying to solve the case, making it a perfect fit for this list.

Fact: The film was shot in the actual locations where the Zodiac Killer's crimes took place, adding an eerie authenticity. Also, Robert Graysmith, the cartoonist who became obsessed with the case, served as a consultant on the movie.

Description: Based on Stieg Larsson's novel, this film involves a journalist and a hacker investigating a 40-year-old disappearance, uncovering a web of secrets and unsolved crimes along the way.

Fact: The film was shot in Sweden, where the story is set, and includes scenes in the actual locations mentioned in the book. Also, the tattoo on Lisbeth Salander's back was designed by the film's director, David Fincher.